USPC Patent Classifications

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Class 420 alloys or metallic compositions
uspcdescription
420/1420 alloys or metallic compositions/(1) radioactive
420/2420 alloys or metallic compositions/(1) radioactive (2) actinide base; singly or in combination
420/3420 alloys or metallic compositions/(1) radioactive (2) actinide base; singly or in combination (3) uranium base
420/4420 alloys or metallic compositions/(1) radioactive (4) iron base
420/5420 alloys or metallic compositions/(1) radioactive (5) magnesium base
420/6420 alloys or metallic compositions/(1) radioactive (6) nickel or cobalt base
420/7420 alloys or metallic compositions/(1) radioactive (7) aluminum base
420/8420 alloys or metallic compositions/(8) ferrous (i.e., iron base)
420/9420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (9) 1.7 percent or more carbon containing
420/10420 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
420/11420 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
420/12420 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
420/13420 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)
420/14420 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
420/15420 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
420/16420 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
420/17420 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
420/18420 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
420/19420 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)
420/20420 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
420/21420 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
420/22420 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
420/23420 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)
420/24420 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
420/25420 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
420/26420 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
420/27420 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
420/28420 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
420/29420 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
420/30420 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
420/31420 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
420/32420 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
420/33420 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
420/34420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing
420/35420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (35) noble metal containing
420/36420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (36) cobalt containing
420/37420 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
420/38420 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
420/39420 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
420/40420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (40) rare earth containing
420/41420 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
420/42420 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
420/43420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (43) eight percent or more nickel containing
420/44420 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
420/45420 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
420/46420 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
420/47420 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
420/48420 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
420/49420 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
420/50420 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
420/51420 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
420/52420 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
420/53420 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
420/54420 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
420/55420 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
420/56420 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
420/57420 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
420/58420 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
420/59420 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
420/60420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (60) copper containing
420/61420 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
420/62420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (62) over 0.1 percent aluminum containing
420/63420 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
420/64420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (64) boron containing
420/65420 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
420/66420 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
420/67420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (67) molybdenum or tungsten containing
420/68420 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
420/69420 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
420/70420 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
420/71420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (34) nine percent or more chromium containing (71) processes
420/72420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing
420/73420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (73) nickel containing
420/74420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (74) chromium containing
420/75420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (75) titanium containing
420/76420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (72) eight percent or more manganese containing (76) copper containing
420/77420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing
420/78420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (78) over 2 percent silicon containing
420/79420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (79) chromium containing
420/80420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (80) nickel or cobalt containing
420/81420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (77) four percent or more aluminum containing (81) zirconium, vanadium or titanium containing
420/82420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (82) noble metal containing
420/83420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (83) rare earth metal containing
420/84420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing
420/85420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing (85) processes
420/86420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (84) lead, bismuth, selenium, tellurium or calcium containing (85) processes (86) adding lead
420/87420 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
420/88420 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
420/89420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing
420/90420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (90) chromium containing
420/91420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (90) chromium containing (91) nickel containing
420/92420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (92) nickel containing
420/93420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (89) copper containing (93) vanadium, zirconium, titanium or molybdenum containing
420/94420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing
420/95420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (95) cobalt containing
420/96420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (96) molybdenum containing
420/97420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (97) chromium containing
420/98420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (94) over 10 percent nickel containing (98) over 1 percent silicon containing
420/99420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (99) one percent or more carbon containing, but less than 1.7 percent
420/100420 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
420/101420 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
420/102420 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
420/103420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (103) over 0.1 percent aluminum containing, but less than 4 percent
420/104420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent
420/105420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing
420/106420 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
420/107420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (107) cobalt containing
420/108420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (108) nickel containing
420/109420 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
420/110420 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
420/111420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (105) molybdenum containing (111) vanadium containing
420/112420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (112) nickel containing
420/113420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (112) nickel containing (113) tungsten containing
420/114420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (114) tungsten containing
420/115420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (104) chromium containing, but less than 9 percent (115) processes
420/116420 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
420/117420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (117) two percent or more silicon containing
420/118420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (117) two percent or more silicon containing (118) titanium, molybdenum, tungsten or vanadium containing
420/119420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (119) nickel containing, but 10 percent or less
420/120420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (120) 1.5 percent or more manganese containing, but less than 8 percent
420/121420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (121) boron containing
420/122420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (122) tungsten containing
420/123420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (123) molybdneum containing
420/124420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (123) molybdneum containing (124) vanadium, tantalum or titanium containing
420/125420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (125) zirconium containing
420/126420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (126) titanium containing
420/127420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (127) vanadium, tantalum or niobium containing
420/128420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (128) nitrogen containinig
420/129420 alloys or metallic compositions/(8) ferrous (i.e., iron base) (129) processes
420/400420 alloys or metallic compositions/(400) alkali metal base
420/401420 alloys or metallic compositions/(401) beryllium base
420/402420 alloys or metallic compositions/(402) magnesium base
420/403420 alloys or metallic compositions/(402) magnesium base (403) silver containing
420/404420 alloys or metallic compositions/(402) magnesium base (403) silver containing (404) manganese containing
420/405420 alloys or metallic compositions/(402) magnesium base (405) lanthanide containing
420/406420 alloys or metallic compositions/(402) magnesium base (405) lanthanide containing (406) zirconium containing
420/407420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing
420/408420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (408) zinc containing
420/409420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (408) zinc containing (409) manganese containing
420/410420 alloys or metallic compositions/(402) magnesium base (407) aluminum containing (410) manganese containing
420/411420 alloys or metallic compositions/(402) magnesium base (411) zinc containing
420/412420 alloys or metallic compositions/(402) magnesium base (411) zinc containing (412) manganese containing
420/413420 alloys or metallic compositions/(402) magnesium base (413) manganese containing
420/414420 alloys or metallic compositions/(402) magnesium base (414) zirconium containing
420/415420 alloys or metallic compositions/(415) alkaline earth metal base
420/416420 alloys or metallic compositions/(416) rare earth metal base singly or in combination
420/417420 alloys or metallic compositions/(417) titanium base
420/418420 alloys or metallic compositions/(417) titanium base (418) aluminum containing
420/419420 alloys or metallic compositions/(417) titanium base (418) aluminum containing (419) tin containing
420/420420 alloys or metallic compositions/(417) titanium base (418) aluminum containing (420) vanadium containing
420/421420 alloys or metallic compositions/(417) titanium base (421) chromium or molybdenum containing
420/422420 alloys or metallic compositions/(422) zirconium or hafnium base
420/423420 alloys or metallic compositions/(422) zirconium or hafnium base (423) copper containing
420/424420 alloys or metallic compositions/(424) vanadium base
420/425420 alloys or metallic compositions/(425) niobium base
420/426420 alloys or metallic compositions/(425) niobium base (426) titanium, zirconium, or hafnium containing
420/427420 alloys or metallic compositions/(427) tantalum base
420/428420 alloys or metallic compositions/(428) chromium base
420/429420 alloys or metallic compositions/(429) molybdenum base
420/430420 alloys or metallic compositions/(430) tungsten base
420/431420 alloys or metallic compositions/(430) tungsten base (431) carbon, boron or nitrogen containing
420/432420 alloys or metallic compositions/(430) tungsten base (432) rhenium or noble metal containing
420/433420 alloys or metallic compositions/(433) rhenium base
420/434420 alloys or metallic compositions/(434) manganese base
420/435420 alloys or metallic compositions/(435) cobalt base
420/436420 alloys or metallic compositions/(435) cobalt base (436) chromium containing
420/437420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (437) aluminum containing
420/438420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (437) aluminum containing (438) titanium containing
420/439420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (439) titanium containing
420/440420 alloys or metallic compositions/(435) cobalt base (436) chromium containing (440) iron containing
420/441420 alloys or metallic compositions/(441) nickel base
420/442420 alloys or metallic compositions/(441) nickel base (442) chromium containing
420/443420 alloys or metallic compositions/(441) nickel base (442) chromium containing (443) rare earth, magnesium or alkaline earth metal containing
420/444420 alloys or metallic compositions/(441) nickel base (442) chromium containing (444) noble metal containing
420/445420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing
420/446420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing
420/447420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (447) tantalum, niobium, vanadium, or hafnium containing
420/448420 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
420/449420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (449) zirconium or boron containing
420/450420 alloys or metallic compositions/(441) nickel base (442) chromium containing (445) aluminum containing (446) titanium containing (450) molybdenum or tungsten containing
420/451420 alloys or metallic compositions/(441) nickel base (442) chromium containing (451) titanium containing
420/452420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing
420/453420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing (453) molybdenum or tungsten containing
420/454420 alloys or metallic compositions/(441) nickel base (442) chromium containing (452) iron or manganese containing (453) molybdenum or tungsten containing (454) cobalt containing
420/455420 alloys or metallic compositions/(441) nickel base (455) rare earth containing
420/456420 alloys or metallic compositions/(441) nickel base (456) noble metal containing
420/457420 alloys or metallic compositions/(441) nickel base (457) copper containing
420/458420 alloys or metallic compositions/(441) nickel base (457) copper containing (458) iron containing
420/459420 alloys or metallic compositions/(441) nickel base (459) iron or manganese containing
420/460420 alloys or metallic compositions/(441) nickel base (460) aluminum containing
420/461420 alloys or metallic compositions/(461) osmium or iridium base
420/462420 alloys or metallic compositions/(462) ruthenium or rhodium base
420/463420 alloys or metallic compositions/(463) palladium base
420/464420 alloys or metallic compositions/(463) palladium base (464) copper containing
420/465420 alloys or metallic compositions/(463) palladium base (465) platinum containing
420/466420 alloys or metallic compositions/(466) platinum base
420/467420 alloys or metallic compositions/(466) platinum base (467) rhodium containing
420/468420 alloys or metallic compositions/(466) platinum base (468) nickel containing
420/469420 alloys or metallic compositions/(469) copper base
420/470420 alloys or metallic compositions/(469) copper base (470) tin containing
420/471420 alloys or metallic compositions/(469) copper base (470) tin containing (471) aluminum containing
420/472420 alloys or metallic compositions/(469) copper base (470) tin containing (472) phosphorus containing
420/473420 alloys or metallic compositions/(469) copper base (470) tin containing (473) iron, manganese or nickel containing
420/474420 alloys or metallic compositions/(469) copper base (470) tin containing (474) lead containing
420/475420 alloys or metallic compositions/(469) copper base (470) tin containing (474) lead containing (475) zinc containing
420/476420 alloys or metallic compositions/(469) copper base (470) tin containing (476) zinc containing
420/477420 alloys or metallic compositions/(469) copper base (477) zinc containing
420/478420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing
420/479420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing (479) nickel containing
420/480420 alloys or metallic compositions/(469) copper base (477) zinc containing (478) aluminum containing (480) manganese containing
420/481420 alloys or metallic compositions/(469) copper base (477) zinc containing (481) nickel containing
420/482420 alloys or metallic compositions/(469) copper base (477) zinc containing (482) manganese containing
420/483420 alloys or metallic compositions/(469) copper base (477) zinc containing (483) noble metal containing
420/484420 alloys or metallic compositions/(469) copper base (477) zinc containing (484) refractory metal containing
420/485420 alloys or metallic compositions/(469) copper base (485) nickel containing
420/486420 alloys or metallic compositions/(469) copper base (485) nickel containing (486) aluminum containing
420/487420 alloys or metallic compositions/(469) copper base (485) nickel containing (487) iron or manganese containing
420/488420 alloys or metallic compositions/(469) copper base (485) nickel containing (488) refractory metal containing
420/489420 alloys or metallic compositions/(469) copper base (489) aluminum, gallium, indium, or thallium containing
420/490420 alloys or metallic compositions/(469) copper base (490) silicon containing
420/491420 alloys or metallic compositions/(469) copper base (491) lead containing
420/492420 alloys or metallic compositions/(469) copper base (492) titanium, zirconium or hafnium containing
420/493420 alloys or metallic compositions/(469) copper base (493) manganese containing
420/494420 alloys or metallic compositions/(469) copper base (494) beryllium, magnesium, or alkaline earth metal containing
420/495420 alloys or metallic compositions/(469) copper base (495) other refractory metal containing
420/496420 alloys or metallic compositions/(469) copper base (496) iron or cobalt containing
420/497420 alloys or metallic compositions/(469) copper base (497) noble metal containing
420/498420 alloys or metallic compositions/(469) copper base (498) cadmium, or mercury containing
420/499420 alloys or metallic compositions/(469) copper base (499) phosphorus, arsenic, antimony, or bismuth containing
420/500420 alloys or metallic compositions/(469) copper base (500) sulfur, selenium, or tellurium containing
420/501420 alloys or metallic compositions/(501) silver base
420/502420 alloys or metallic compositions/(501) silver base (502) copper containing
420/503420 alloys or metallic compositions/(501) silver base (502) copper containing (503) other noble metal containing
420/504420 alloys or metallic compositions/(501) silver base (502) copper containing (504) zinc, or cadmium containing
420/505420 alloys or metallic compositions/(501) silver base (505) other noble metal containing
420/506420 alloys or metallic compositions/(501) silver base (506) zinc, or cadmium containing
420/507420 alloys or metallic compositions/(507) gold base
420/508420 alloys or metallic compositions/(507) gold base (508) palladium containing
420/509420 alloys or metallic compositions/(507) gold base (508) palladium containing (509) platinum containing
420/510420 alloys or metallic compositions/(507) gold base (510) platinum containing
420/511420 alloys or metallic compositions/(507) gold base (511) silver containing
420/512420 alloys or metallic compositions/(507) gold base (512) iron, cobalt, or nickel containing
420/513420 alloys or metallic compositions/(513) zinc base
420/514420 alloys or metallic compositions/(513) zinc base (514) aluminum containing
420/515420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing
420/516420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (516) mangesium containing
420/517420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (517) tin containing
420/518420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (515) copper containing (518) manganese, iron, cobalt, or nickel containing
420/519420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (519) magnesium containing
420/520420 alloys or metallic compositions/(513) zinc base (514) aluminum containing (520) manganese, iron, cobalt, or nickel containing
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