SHANGHAI UNITE STEEL
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40Cr Hot Rolled Steel Bar Alloy Steel Round Bar Delivery Condition QT Cold Drawn Size 10-320mm
1. Standards: AISI 5140,ASTM 5140 ,JIS SCr440 JIS(SCr4),40Cr
2. Specification: Dia: 10~320mm Length:2000-12000mm or as required
3. Process: EAF+LF+VD+ Rolled+ Heat Treatment (Annealed,A Normalized, Q+T)
4.Surface conditions : scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
5. Machine Capability
Tensile strength (N/mm2Mpa):≥980
Elongation %: ≥9
Yield strength:≥785
Hardness: HBS ≤207
Reduction of area:≥45%
After heat treatment the hardness : HRC 32~36
6. Chemical Composition (%):
| C | Si | Mn | Cr | Ni(max) | P(max) | S(max) | Cu(max) |
| 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.030 | 0.035 | 0.035 | 0.030 |
7. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C or by SGS ,AHK or Alex Stewart