SAE 4140 Bright Bars, SAE 4140 Bright Bar Manufacturers, SAE 4140 Bright Bar Suppliers, SAE 4140 Bright Bar Stockist, SAE 4140 Bright Bar Dealers, SAE 4140 Bright Bar Distributors, SAE 4140 Bright Bar Wholesalers, SAE 4140 Bright Bar Steel Traders, SAE 4140 Steel Bright Bar Hexagon Distributors, SAE 4140 Steel Bright Round Bar, SAE 4140 Steel Bright Bar Companies Near me.
Grade Introduction:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.
Grade Application:
Equivalent grades:
| USA | Din | BS | BS | Japan |
| ASTM A29 | DIN 1654 | EN 10084 | BS 970 | JIS G4103 |
| 4140 | 1.6523/21NiCrMo2 | 1.6523/21NiCrMo2-2 | 805M20 | SNCM220 |
Addition to other grades:
MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM SA-36, ASTM SA-105, SAE 1018, SAE 1020, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.
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Chemical composition:
The following table shows the chemical composition of SAE 4140 steel:
| Standard | Grade | C | Si | Mn | P | S | Cr | Mo |
| ASTM A29 | 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.035 | 0.040 | 0.8-1.10 | 0.15-0.25 |
| EN 10250 | 42CrMo4 / 1.7224 | 0.38-0.45 | 0.4 | 0.6-0.9 | 0.035 | 0.035 | 0.9-1.2 | 0.15-0.30 |
| JIS G4105 | SCM 440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | 0.03 | 0.03 | 0.9-1.2 | 0.15-0.30 |
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