Class 420 alloys or metallic compositions | |
---|---|

uspc | description |

420/1 | 420 alloys or metallic compositions/(1) radioactive |

420/2 | 420 alloys or metallic compositions/(1) radioactive (2) actinide base; singly or in combination |

420/3 | 420 alloys or metallic compositions/(1) radioactive (2) actinide base; singly or in combination (3) uranium base |

420/4 | 420 alloys or metallic compositions/(1) radioactive (4) iron base |

420/5 | 420 alloys or metallic compositions/(1) radioactive (5) magnesium base |

420/6 | 420 alloys or metallic compositions/(1) radioactive (6) nickel or cobalt base |

420/7 | 420 alloys or metallic compositions/(1) radioactive (7) aluminum base |

420/8 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) |

420/9 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing |

420/10 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (10) six percent or more total group iv, v or vi transition metals containing |

420/11 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (10) six percent or more total group iv, v or vi transition metals containing (11) eight percent or more chromium containing |

420/12 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (10) six percent or more total group iv, v or vi transition metals containing (11) eight percent or more chromium containing (12) molybdenum, tungsten or vanadium containing |

420/13 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) |

420/14 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (14) boron containing |

420/15 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (15) chromium containing |

420/16 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (15) chromium containing (16) nickel containing |

420/17 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (15) chromium containing (16) nickel containing (17) molybdenum containing |

420/18 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium |

420/19 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (19) adding magnesium as a liquid, vapor or as a solid agent entrained by gas (e.g., fluidized) |

420/20 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (20) flowing molten iron alloy onto solid magnesium containing agent, or adding solid magnesium containing agent to molten stream of iron alloy |

420/21 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (21) mechanically plunging magnesium containing agent below surface of iron alloy melt |

420/22 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (22) separate addition of plural agents, at least one containing magnesium |

420/23 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (23) magnesium containing agent is coated, impregnated, or compacted (e.g., briquetted, coated particles) |

420/24 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (24) magnesium present in agent only as a compound with a nonmetal |

420/25 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (18) processes of adding magnesium (25) in agent also containing silicon, rare earth, or alkaline earth metal |

420/26 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (26) copper containing |

420/27 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (27) nickel or molybdenum containing |

420/28 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (28) over .1 percent aluminum containing |

420/29 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (29) processes |

420/30 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (29) processes (30) adding rare earth or alkaline earth metal |

420/31 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (29) processes (31) adding sulfur, selenium or tellurium |

420/32 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (29) processes (32) adding vanadium, titanium, niobium, or zirconium |

420/33 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing (13) 2.7 percent or more carbon equivalent containing (i.e., cast iron) (29) processes (33) adding silicon |

420/34 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing |

420/35 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (35) noble metal containing |

420/36 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (36) cobalt containing |

420/37 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (36) cobalt containing (37) molybdenum or tungsten containing |

420/38 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (36) cobalt containing (37) molybdenum or tungsten containing (38) nickel containing |

420/39 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (36) cobalt containing (37) molybdenum or tungsten containing (39) copper containing |

420/40 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (40) rare earth containing |

420/41 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (41) lead, bismuth, antimony, calcium, selenium or tellurium containing |

420/42 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (42) over 0.05 percent sulfur, over 0.04 percent phosphorus or sulfur or phosphorus added in any amount to promote machinability |

420/43 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing |

420/44 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (44) over 2 percent manganese containing |

420/45 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (44) over 2 percent manganese containing (45) copper containing |

420/46 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (44) over 2 percent manganese containing (46) molybdenum or tungsten containing |

420/47 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (44) over 2 percent manganese containing (46) molybdenum or tungsten containing (47) group iv or v transition metal containing |

420/48 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (44) over 2 percent manganese containing (48) group iv or v transition metal containing |

420/49 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (49) copper containing |

420/50 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (50) over 1.5 percent silicon containing |

420/51 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (50) over 1.5 percent silicon containing (51) group iv or v transition metal containing |

420/52 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (52) molybdenum containing |

420/53 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (52) molybdenum containing (53) group iv or v transition metal containing |

420/54 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (54) group iv or v transition metal containing |

420/55 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing (55) over 0.1 percent carbon containing |

420/56 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (56) eight percent or more total nickel plus manganese containing |

420/57 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (56) eight percent or more total nickel plus manganese containing (57) molybdenum or tungsten containing |

420/58 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (56) eight percent or more total nickel plus manganese containing (58) copper containing |

420/59 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (56) eight percent or more total nickel plus manganese containing (59) over 0.20 percent nitrogen containing |

420/60 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (60) copper containing |

420/61 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (60) copper containing (61) molybdenum or tungsten containing |

420/62 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (62) over 0.1 percent aluminum containing |

420/63 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (62) over 0.1 percent aluminum containing (63) molybdenum or tungsten conaining |

420/64 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (64) boron containing |

420/65 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (65) 0.25 percent or more nitrogen containing |

420/66 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (65) 0.25 percent or more nitrogen containing (66) group iv or v transition metal containing |

420/67 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (67) molybdenum or tungsten containing |

420/68 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (67) molybdenum or tungsten containing (68) titanium, zirconium or hafnium containing |

420/69 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (67) molybdenum or tungsten containing (69) vanadium, niobium or tantalum containing |

420/70 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (70) group iv or v transition metal containing |

420/71 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (71) processes |

420/72 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing |

420/73 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (73) nickel containing |

420/74 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (74) chromium containing |

420/75 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (75) titanium containing |

420/76 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (76) copper containing |

420/77 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing |

420/78 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (78) over 2 percent silicon containing |

420/79 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (79) chromium containing |

420/80 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (80) nickel or cobalt containing |

420/81 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (81) zirconium, vanadium or titanium containing |

420/82 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (82) noble metal containing |

420/83 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (83) rare earth metal containing |

420/84 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing |

420/85 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing (85) processes |

420/86 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing (85) processes (86) adding lead |

420/87 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (87) over 0.05 percent sulfur, over 0.04 percent phosphorus or sulfur or phosphorus added in any amount to promote machinability |

420/88 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (87) over 0.05 percent sulfur, over 0.04 percent phosphorus or sulfur or phosphorus added in any amount to promote machinability (88) processes of making or treating alloy containing over 0.04 percent phosphorus |

420/89 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing |

420/90 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (90) chromium containing |

420/91 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (90) chromium containing (91) nickel containing |

420/92 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (92) nickel containing |

420/93 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (93) vanadium, zirconium, titanium or molybdenum containing |

420/94 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing |

420/95 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (95) cobalt containing |

420/96 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (96) molybdenum containing |

420/97 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (97) chromium containing |

420/98 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (98) over 1 percent silicon containing |

420/99 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (99) one percent or more carbon containing, but less than 1.7 percent |

420/100 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (99) one percent or more carbon containing, but less than 1.7 percent (100) chromium containing |

420/101 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (99) one percent or more carbon containing, but less than 1.7 percent (100) chromium containing (101) molybdenum containing |

420/102 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (99) one percent or more carbon containing, but less than 1.7 percent (100) chromium containing (101) molybdenum containing (102) cobalt containing |

420/103 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (103) over 0.1 percent aluminum containing, but less than 4 percent |

420/104 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent |

420/105 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing |

420/106 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (106) boron or beryllium containing |

420/107 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (107) cobalt containing |

420/108 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (108) nickel containing |

420/109 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (108) nickel containing (109) vanadium, titanium or zirconium containing |

420/110 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (110) titanium, zirconium or niobium containing |

420/111 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (111) vanadium containing |

420/112 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (112) nickel containing |

420/113 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (112) nickel containing (113) tungsten containing |

420/114 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (114) tungsten containing |

420/115 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (115) processes |

420/116 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (115) processes (116) including reducing a chromium compound |

420/117 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (117) two percent or more silicon containing |

420/118 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (117) two percent or more silicon containing (118) titanium, molybdenum, tungsten or vanadium containing |

420/119 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (119) nickel containing, but 10 percent or less |

420/120 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (120) 1.5 percent or more manganese containing, but less than 8 percent |

420/121 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (121) boron containing |

420/122 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (122) tungsten containing |

420/123 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (123) molybdneum containing |

420/124 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (123) molybdneum containing (124) vanadium, tantalum or titanium containing |

420/125 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (125) zirconium containing |

420/126 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (126) titanium containing |

420/127 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (127) vanadium, tantalum or niobium containing |

420/128 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (128) nitrogen containinig |

420/129 | 420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (129) processes |

420/400 | 420 alloys or metallic compositions/(400) alkali metal base |

420/401 | 420 alloys or metallic compositions/(401) beryllium base |

420/402 | 420 alloys or metallic compositions/(402) magnesium base |

420/403 | 420 alloys or metallic compositions/(402) magnesium base (403) silver containing |

420/404 | 420 alloys or metallic compositions/(402) magnesium base (403) silver containing (404) manganese containing |

420/405 | 420 alloys or metallic compositions/(402) magnesium base (405) lanthanide containing |

420/406 | 420 alloys or metallic compositions/(402) magnesium base (405) lanthanide containing (406) zirconium containing |

420/407 | 420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing |

420/408 | 420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (408) zinc containing |

420/409 | 420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (408) zinc containing (409) manganese containing |

420/410 | 420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (410) manganese containing |

420/411 | 420 alloys or metallic compositions/(402) magnesium base (411) zinc containing |

420/412 | 420 alloys or metallic compositions/(402) magnesium base (411) zinc containing (412) manganese containing |

420/413 | 420 alloys or metallic compositions/(402) magnesium base (413) manganese containing |

420/414 | 420 alloys or metallic compositions/(402) magnesium base (414) zirconium containing |

420/415 | 420 alloys or metallic compositions/(415) alkaline earth metal base |

420/416 | 420 alloys or metallic compositions/(416) rare earth metal base singly or in combination |

420/417 | 420 alloys or metallic compositions/(417) titanium base |

420/418 | 420 alloys or metallic compositions/(417) titanium base (418) aluminum containing |

420/419 | 420 alloys or metallic compositions/(417) titanium base (418) aluminum containing (419) tin containing |

420/420 | 420 alloys or metallic compositions/(417) titanium base (418) aluminum containing (420) vanadium containing |

420/421 | 420 alloys or metallic compositions/(417) titanium base (421) chromium or molybdenum containing |

420/422 | 420 alloys or metallic compositions/(422) zirconium or hafnium base |

420/423 | 420 alloys or metallic compositions/(422) zirconium or hafnium base (423) copper containing |

420/424 | 420 alloys or metallic compositions/(424) vanadium base |

420/425 | 420 alloys or metallic compositions/(425) niobium base |

420/426 | 420 alloys or metallic compositions/(425) niobium base (426) titanium, zirconium, or hafnium containing |

420/427 | 420 alloys or metallic compositions/(427) tantalum base |

420/428 | 420 alloys or metallic compositions/(428) chromium base |

420/429 | 420 alloys or metallic compositions/(429) molybdenum base |

420/430 | 420 alloys or metallic compositions/(430) tungsten base |

420/431 | 420 alloys or metallic compositions/(430) tungsten base (431) carbon, boron or nitrogen containing |

420/432 | 420 alloys or metallic compositions/(430) tungsten base (432) rhenium or noble metal containing |

420/433 | 420 alloys or metallic compositions/(433) rhenium base |

420/434 | 420 alloys or metallic compositions/(434) manganese base |

420/435 | 420 alloys or metallic compositions/(435) cobalt base |

420/436 | 420 alloys or metallic compositions/(435) cobalt base (436) chromium containing |

420/437 | 420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (437) aluminum containing |

420/438 | 420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (437) aluminum containing (438) titanium containing |

420/439 | 420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (439) titanium containing |

420/440 | 420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (440) iron containing |

420/441 | 420 alloys or metallic compositions/(441) nickel base |

420/442 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing |

420/443 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (443) rare earth, magnesium or alkaline earth metal containing |

420/444 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (444) noble metal containing |

420/445 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing |

420/446 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing |

420/447 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (447) tantalum, niobium, vanadium, or hafnium containing |

420/448 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (447) tantalum, niobium, vanadium, or hafnium containing (448) molybdenum or tungsten containing |

420/449 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (449) zirconium or boron containing |

420/450 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (450) molybdenum or tungsten containing |

420/451 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (451) titanium containing |

420/452 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing |

420/453 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing (453) molybdenum or tungsten containing |

420/454 | 420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing (453) molybdenum or tungsten containing (454) cobalt containing |

420/455 | 420 alloys or metallic compositions/(441) nickel base (455) rare earth containing |

420/456 | 420 alloys or metallic compositions/(441) nickel base (456) noble metal containing |

420/457 | 420 alloys or metallic compositions/(441) nickel base (457) copper containing |

420/458 | 420 alloys or metallic compositions/(441) nickel base (457) copper containing (458) iron containing |

420/459 | 420 alloys or metallic compositions/(441) nickel base (459) iron or manganese containing |

420/460 | 420 alloys or metallic compositions/(441) nickel base (460) aluminum containing |

420/461 | 420 alloys or metallic compositions/(461) osmium or iridium base |

420/462 | 420 alloys or metallic compositions/(462) ruthenium or rhodium base |

420/463 | 420 alloys or metallic compositions/(463) palladium base |

420/464 | 420 alloys or metallic compositions/(463) palladium base (464) copper containing |

420/465 | 420 alloys or metallic compositions/(463) palladium base (465) platinum containing |

420/466 | 420 alloys or metallic compositions/(466) platinum base |

420/467 | 420 alloys or metallic compositions/(466) platinum base (467) rhodium containing |

420/468 | 420 alloys or metallic compositions/(466) platinum base (468) nickel containing |

420/469 | 420 alloys or metallic compositions/(469) copper base |

420/470 | 420 alloys or metallic compositions/(469) copper base (470) tin containing |

420/471 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (471) aluminum containing |

420/472 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (472) phosphorus containing |

420/473 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (473) iron, manganese or nickel containing |

420/474 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (474) lead containing |

420/475 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (474) lead containing (475) zinc containing |

420/476 | 420 alloys or metallic compositions/(469) copper base (470) tin containing (476) zinc containing |

420/477 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing |

420/478 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing |

420/479 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing (479) nickel containing |

420/480 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing (480) manganese containing |

420/481 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (481) nickel containing |

420/482 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (482) manganese containing |

420/483 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (483) noble metal containing |

420/484 | 420 alloys or metallic compositions/(469) copper base (477) zinc containing (484) refractory metal containing |

420/485 | 420 alloys or metallic compositions/(469) copper base (485) nickel containing |

420/486 | 420 alloys or metallic compositions/(469) copper base (485) nickel containing (486) aluminum containing |

420/487 | 420 alloys or metallic compositions/(469) copper base (485) nickel containing (487) iron or manganese containing |

420/488 | 420 alloys or metallic compositions/(469) copper base (485) nickel containing (488) refractory metal containing |

420/489 | 420 alloys or metallic compositions/(469) copper base (489) aluminum, gallium, indium, or thallium containing |

420/490 | 420 alloys or metallic compositions/(469) copper base (490) silicon containing |

420/491 | 420 alloys or metallic compositions/(469) copper base (491) lead containing |

420/492 | 420 alloys or metallic compositions/(469) copper base (492) titanium, zirconium or hafnium containing |

420/493 | 420 alloys or metallic compositions/(469) copper base (493) manganese containing |

420/494 | 420 alloys or metallic compositions/(469) copper base (494) beryllium, magnesium, or alkaline earth metal containing |

420/495 | 420 alloys or metallic compositions/(469) copper base (495) other refractory metal containing |

420/496 | 420 alloys or metallic compositions/(469) copper base (496) iron or cobalt containing |

420/497 | 420 alloys or metallic compositions/(469) copper base (497) noble metal containing |

420/498 | 420 alloys or metallic compositions/(469) copper base (498) cadmium, or mercury containing |

420/499 | 420 alloys or metallic compositions/(469) copper base (499) phosphorus, arsenic, antimony, or bismuth containing |

420/500 | 420 alloys or metallic compositions/(469) copper base (500) sulfur, selenium, or tellurium containing |

420/501 | 420 alloys or metallic compositions/(501) silver base |

420/502 | 420 alloys or metallic compositions/(501) silver base (502) copper containing |

420/503 | 420 alloys or metallic compositions/(501) silver base (502) copper containing (503) other noble metal containing |

420/504 | 420 alloys or metallic compositions/(501) silver base (502) copper containing (504) zinc, or cadmium containing |

420/505 | 420 alloys or metallic compositions/(501) silver base (505) other noble metal containing |

420/506 | 420 alloys or metallic compositions/(501) silver base (506) zinc, or cadmium containing |

420/507 | 420 alloys or metallic compositions/(507) gold base |

420/508 | 420 alloys or metallic compositions/(507) gold base (508) palladium containing |

420/509 | 420 alloys or metallic compositions/(507) gold base (508) palladium containing (509) platinum containing |

420/510 | 420 alloys or metallic compositions/(507) gold base (510) platinum containing |

420/511 | 420 alloys or metallic compositions/(507) gold base (511) silver containing |

420/512 | 420 alloys or metallic compositions/(507) gold base (512) iron, cobalt, or nickel containing |

420/513 | 420 alloys or metallic compositions/(513) zinc base |

420/514 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing |

420/515 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing |

420/516 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (516) mangesium containing |

420/517 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (517) tin containing |

420/518 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (518) manganese, iron, cobalt, or nickel containing |

420/519 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (519) magnesium containing |

420/520 | 420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (520) manganese, iron, cobalt, or nickel containing |

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