China Scm415 Scm420h Scm435 Scm440 Alloy Steel 4140 Round Bar, Find details about China Alloy Steel Bar, Scm415 Round Bar from Scm415 Scm420h Scm435 Scm440 Alloy Steel 4140 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 |