China Alloy 5140 1215 Ml40cr SCR440 Cold Drawn Steel Bar, Find details about China Cold Drawn Steel Bar, Alloy Steel Bar from Alloy 5140 1215 Ml40cr SCR440 Cold Drawn Steel Bar
GB | JIS | DIN | ASTM/AISI/SAE |
40Cr | SCr40 | 41Cr4 | 5140 |
C | SI | MN | S | P | Cr | Ni/Cu |
0.38-0.43 | 0.15-0.35 | 0.70-0.90 | 0.025 (max) | 0.025 (max) | 0.70-0.90 | 0.25 (max) |
Hot rolled round bars | 16mm to 350mm |
Cold drawn bars | 6mm to 50mm |
Forged round bars | 200mm-800mm |
Oxygen | Nitrogen | Hydrogen |
20ppm(max) | 90ppm(max) | 2ppm(max) |
A | B | C | D | |
MAX | MAX | MAX | MAX | |
Thin | 2.5 | 2.0 | 0.5 | 0.5 |
Thick | 1.5 | 1.0 | 1.0 | 1.0 |