| AISI 4140 Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.40% C ) | Equivalent Grades |
|---|---|
| UNS number | G41400 |
| US name | SAE H41400, SAE 4140, SAE 4142, SAE 4140, ASTM J 70, ASTM J 65, ASTM J 55, ASTM 4140, ASTM G41420, ASTM E7140, ASTM B7M, ASTM B16, ASTM 4142H, ASTM 4142, ASTM 4140H, ASTM 4140, ASTM 4137H, ASTM 41, ~SAE 4137H, ~ASTM B4D, ~ASTM 6 |
| EN name | ~42CrMoS4, ~42CrMo4 |
| EN number | ~1.7227, ~1.7223 |
| ISO name | ~ 42 CrMoS 4, ~ 42 CrMo 4, ~42CrMo4 |
| GB (Chinese) name | ~42CrMo |
| JIS (Japanese) name | SNB22-5, SNB22-4, SNB22-3, SNB22-2 |
Tradenames of AISI 4140 Low alloy steel (4100 Series, Cr-Mo Alloyed, 0.40% C ):
4140 FLAME DIE, A-1252, ASCOMETAL 42CD4, E.T.D. 150, E.T.D. 180, FAGERSTA C 345,
KRUPP 42 CRMOS 4, LASALLE 4140, OVAKO 327, POMPEY 4142, POMPEY KD 39, RYCROME, SAARSTAHL 42 CRMO 4, STRAIN TEMPERED 4140, TKS 42CRMO4, VL-40
| Standards with similar compositions: |
|---|
| IAS IRAM 4140 (Argentina) |
| ONORM M3167 42CrMo4SP (Austria) |
| ONORM M3170 StL5 (Austria) |
| NBN 253-02 41CrMo4 (Belgium) |
| NBN 253-02 42CrMo4 (Belgium) |
| BDS 6354 40ChMA (Bulgaria) |
| GB 3077(88) 42CrMnMo (China) |
| GB 3077(88) 42CrMo (China) |
| GB 8162(87) 42CrMo (China) |
| GB/T 3078(94) 42CrMnMo (China) |
| GB/T 3078(94) 42CrMo (China) |
| SFS 459(73) SFS459 (Finland) |
| SFS 460 Co.42Cr1.1Mo0.20 (Finland) |
| SFS 460(73) SFS460 (Finland) |
| AFNOR NFA35552 42CD4 (France) |
| AFNOR NFA35552 42CDTS (France) |
| AFNOR NFA35553 42CD4 (France) |
| AFNOR NFA35553 42CDTS (France) |
| AFNOR NFA35556 42CDTS (France) |
| AFNOR NFA35556(84) 42CD4 (France) |
| AFNOR NFA35557 42CD4 (France) |
| AFNOR NFA35557 42CDTS (France) |
| AFNOR NFA35564(83) 42CD4FF (France) |
| DIN 1652(90) 42CrMo4 (Germany) |
| DIN 1652(90) 42CrMoS4 (Germany) |
| DIN 1652(90) WNr 1.7225 (Germany) |
| DIN 1652(90) WNr 1.7227 (Germany) |
| DIN EN 10083(91) 42CrMo4 (Germany) |
| MSZ 61(85) CMo4 (Hungary) |
| MSZ 61(85) CMo4E (Hungary) |
| MSZ 6251(87) CMo4Z (Hungary) |
| IS 1570 40Cr1Mo28 (India) |
| IS 4367 40Cr1Mo28 (India) |
| IS 5517 40Cr1Mo28 (India) |
| UNI 5332(64) 40CrMo4 (Italy) |
| UNI 7847(79) 41CrMo4 (Italy) |
| UNI 8551(84) 41CrMo4 (Italy) |
| JIS G3311(88) SCM440M (Japan) |
| JIS G3311(88) SCM4M (Japan) |
| JIS G4105(79) SCM 4 (Japan) |
| JIS G4105(79) SCM440 (Japan) |
| JIS G4107(94) SNB7 (Japan) |
| DGN B-203 4140 (Mexico) |
| DGN B-297 4140 (Mexico) |
| NMX-B-300(91) 4140 (Mexico) |
| NS CrMoIV (Norway) |
| AS 1444(96) 4140 (NSW Australia) |
| AS G18 En19 (NSW Australia) |
| AS G18 En19A (NSW Australia) |
| PNH84030/04 40HM (Poland) |
| STAS 10677(84) 41MoCr11CS (Romania) |
| STAS 8185(88) 41MoCr11 (Romania) |
| STAS 9382/4 41MoCr11q (Romania) |
| GOST 4543 38ChM (Russian Federation) |
| GOST 4543 40ChMFA (Russian Federation) |
| GOST 4543(71) 38ChM (Russian Federation) |
| UNE 36012(75) 40CrMo4 (Spain) |
| UNE 36012(75) 40CrMo4-1 (Spain) |
| UNE 36012(75) F.1252 (Spain) |
| UNE 36254(79) 42CrMo4 (Spain) |
| ISO 683-12-72) 9 (International) |
| ISO 683-2(68) Type 3 (International) |
| ISO 683-4 Type 3a (International) |
| ISO 683-4 Type 3b (International) |
| ISO R683-4 3A (International) |
| ISO R683-4 3b (International) |
| BS 4670 711M40 (United Kingdom) |
| BS 970/1(83) 708A40 (United Kingdom) |
| BS 970/1(83) 709A40 (United Kingdom) |
| BS 970/3(91) 708M40 (United Kingdom) |
| BS 970/3(91) 709M40 (United Kingdom) |
| Type 5 (United Kingdom) |
| AMS 6349 4140 (USA) |
| AMS 6381 4140 (USA) |
| AMS 6382 4140 (USA) |
| AMS 6390 4140 (USA) |
| AMS 6395 4140 (USA) |
| AMS 6396 4140 (USA) |
| AMS 6529 4140 (USA) |
| ASTM A193/A193M(98) B7 (USA) |
| ASTM A193/A193M(98) B7M (USA) |
| ASTM A194/A194M(98) 7 (USA) |
| ASTM A194/A194M(98) 7M (USA) |
| ASTM A29/A29M(93) 4140 (USA) |
| ASTM A322(96) 4140 (USA) |
| ASTM A331(95) 4140 (USA) |
| ASTM A506(93) 4140 (USA) |
| ASTM A513(97a) 4140 (USA) |
| ASTM A519(96) 4140 (USA) |
| ASTM A646(95) Grade 12 (USA) |
| ASTM A752(93) 4140 (USA) |
| ASTM A829/A829M(95) 4140 (USA) |
| ASTM A866(94) 4140 (USA) |
| ASTM A983/983M(98) Grade 4 (USA) |
| ASTM A983/983M(98) Grade 5 (USA) |
| DoD-F-24669/1(86) 4140 (USA) |
| FED QQ-S-626C(91) 4140 (USA) |
| MIL-S-19434B(SH)(90) Class 3 (USA) |
| MIL-S-46059 G41400 (USA) |
| MIL-S-5626C(72) 4140 (USA) |
| SAE 770(84) 4140 (USA) |
| SAE J404(94) 4140 (USA) |
| AISI 4140 (USA) |
| COPANT 334 4140 (Venezuela) |
| COPANT 514 4140 (Venezuela) |
| C.4732 (Yugoslavia) |
• Argentina:
IRAM 4140 to IAS
• Australia:
4140 to AS 1444, 4140H to AS 1444
• Finland:
Co.42Cr1.1Mo0.20 to SFS 460
• France:
42CD4 to AFNOR NF A35-552, 42CD4 to AFNOR NF A35-553, 42CD4 to AFNOR NF A35-556, 42CD4 to AFNOR NF A35-557, 42CDTS to AFNOR NF A35-552, 42CDTS to AFNOR NF A35-553, 42CDTS to AFNOR NF A35-556, 42CDTS to AFNOR NF A35-557
• Germany:
1.7225 to DIN 1652, 42CrMo4 to DIN 1652, 42CrMo4 to DIN EN 10083
• Hungary:
CMo4 to MSZ 61, CMo4E to MSZ 61, CMo4Z to MSZ 6251
• India:
40Cr4Mo2 to IS 13352, 42Cr4Mo2 to IS 1570/4, 43Cr4Mo2 to IS 14331
• International:
42CrMo4 to ISO 683-1, 42CrMo4 to ISO 683-18, 42CrMo4E to ISO 4954, 42CrMoS4 to ISO 683-1, 42CrMoS4 to ISO 683-18, Type 3a to ISO 683-4
• Italy:
40CrMo4 to UNI 5332, 41CrMo4 to UNI 8551, 42CrMo4 to UNI 6403, 42CrMo4 to UNI 7845, 42CrMo4 to UNI 7874, G40CrMo4 to UNI 3160
• Japan:
SCM 4 to JIS G4105, SCM4H to JIS G4052, SNB22-1 to JIS G4108, SNB22-2 to JIS G4108, SNB22-3 to JIS G4108, SNB22-4 to JIS G4108, SNB22-5 to JIS G4108, SNB7 Class 2 to JIS G4107
• Mexico:
4140 to NMX-B-203-SCFI, 4140 to NMX-B-300, 4140H to NMX-B-268, 4140H to NMX-B-300, 4142 to NMX-B-300, 4142H to NMX-B-268, 4142H to NMX-B-300
• Norway:
CrMoIV to NS
• Pan America:
4140 to COPANT 334, 4140 to COPANT 514, 4142 to COPANT 514
• Romania:
42MoCr11 to STAS 791, 42MoCr11S to STAS 791, 42MoCr11X to STAS 791, 42MoCr11XS to STAS 791
• Serbia and Montenegro:
C.4732, C.4782
• South Korea:
SCM 440 H to KS D 3754
• Spain:
40CrMo4 to UNE 36012, F.1252 to UNE 36012
• Sweden:
2244 to SS 142244
• UK:
42CrMo4 to BS EN 10083-1, 42CrMo4 to BS EN 10132-3, 42CrMo4 to BS EN 10250-3, 42CrMo4 to BS EN 10269, 42CrMo4 to BS EN 10297-1, 5/2 to BS 3111/1, 708M40 to BS 970/3, 709M40 to BS 970/3
• USA:
4140 to ASTM A29/A29M, 4140 to ASTM A331-95, 4140 to ASTM A513, 4140 to ASTM A519, 4140 to ASTM A829/A829M, 4140 to DoD-F-24669/1, 4140 to FED QQ-S-626C, 4140 to SAE J404, 4140 to SAE J770, 4142 to ASTM A29/A29M, 4142 to ASTM A331-95, 4142 to ASTM A519, 4142 to ASTM A829/A829M, 4142 to SAE J404, 4145 to SAE J404, 7M to ASTM A194/A194M, B22 to ASTM A540/A540M, B7 to ASTM A193/A193M, B7M to ASTM A193/A193M, Class 3 to MIL-S-19434B, G41400 to ASTM A1031, G41400 to ASTM A506, G41400 to MIL-S-46059, G41420 to ASTM A1031, Grade 12 to ASTM A646-95, Grade 4 to ASTM A983/A983M, Grade 5 to ASTM A983/A983M, Grade 7 to ASTM A194/A194M, Grade J Class 110 to ASTM A372/A372M, Grade J Class 55 to ASTM A372/A372M, Grade J Class 65 to ASTM A372/A372M, Grade J Class 70 to ASTM A372/A372M, H41400 to SAE J775, L7 to ASTM A320/A320M, L70 to ASTM A320/A320M, L7M to ASTM A320/A320M, NV7 to SAE J775, UNS G41400, UNS G41420, UNS H41400, UNS H41420, UNS K14044, UNS K14047, UNS K14048, UNS K14245, UNS K14248
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