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GB 40Cr,JIS SCR440,DIN 41Cr4,ASTM 5140 alloy round steel
-Standard: GB,ASTM,JIS,DIN
-Size: dia 10-350mm
-Application: high burden machine part,wheel gear,bearings,rotor,lantern ring.etc.
-MOQ:100mt single size.
-secondary or not: nonsecondary.
-Packing: in bundle or as requirement
-chemical composition and technical property:
Contact: Herman
-Standard: GB,ASTM,JIS,DIN
-Size: dia 10-350mm
-Application: high burden machine part,wheel gear,bearings,rotor,lantern ring.etc.
-MOQ:100mt single size.
-secondary or not: nonsecondary.
-Packing: in bundle or as requirement
-chemical composition and technical property:
| Grade | C | Mn | S | Si | P | Cr |
| 40Cr | 0.37-0.44 | 0.50-0.80 | 0.035max | 0.17-0.37 | 0.035max | 0.80-1.10 |
| 5140 | 0.38-0.43 | 0.70-0.90 | 0.040max | 0.15-0.35 | 0.035max | 0.70-0.90 |
| SCr440 | 0.38-0.43 | 0.60-0.90 | 0.03max | 0.15-0.36 | 0.03max | 0.90-1.20 |
| 41Cr4 | 0.38-0.45 | 0.60-0.90 | 0.035max | 0.40max | 0.025max | 0.90-1.20 |
| technical property |
delivery condition |
tensile strength |
yield strength |
elongation | shrink rate | hardness |
| Q+T | ≥980mpa | ≥785mpa | ≥9% | ≥45% | ≤207HB |
Contact: Herman