China Cold Drawn 20cr2ni4a En24 En25 S275jr 1.7225 Alloy Carbon Steel Round Bar, Find details about China Alloy Steel, 42CrMo4 Steel Round Bar from Cold Drawn 20cr2ni4a En24 En25 S275jr 1.7225 Alloy Carbon Steel Round Bar
Round bars | 5mm-130mm |
Suqare bar | 6*6mm-100*100mm |
Flat bars | 3mm*20mm-50mm*100mm |
Hex bars | 6mm-100mm |
Bar Finsihe | Peeled, Cold Drawn, TurnedTurned & Polished, Centreless Ground |
Grade | C | Si | Mn | P | S | Cr | Mo |
42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
GB | 42CrMo |
ASTM | 4140 |
JIS | SCM440 |
DIN | 1.7225 |
Tensile Strength | 723 - 830Mpa |
Yield Strength | 585 - 450Mpa |
Elongation in 2" | 15% - 25% |
Reduction of area | 45% - 55% |
Brinelle Hardness | 215-235HB |
Tensile Strength | 890 |
Yield Strength | 755 |
Elongation in 2" | 16% |
Reduction of area | 50% |
Brinelle Hardness | 269-321 |