| Standard | Fe | C | N | O | H | AI | V |
|---|---|---|---|---|---|---|---|
| ASTM B265 | 0.25 | 0.08 | 0.03 | 0.25 | 0.015 | 2.5~3.5 | 2.0~3.0 |
| ASTM B348 | 0.25 | 0.08 | 0.03 | 0.25 | 0.015 | 2.5~3.5 | 2.0~3.0 |
| ASTM B338 | 0.25 | 0.08 | 0.03 | 0.25 | 0.015 | 2.5~3.5 | 2.0~3.0 |
| Standard | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elogation0.2% offset | Reduction of Aera(%) |
|---|---|---|---|---|
| ASTM B265 | ≥620 | ≥483 | ≥15 | - |
| ASTM B348 | ≥620 | ≥483 | ≥15 | ≥25 |
| ASTM B338 | ≥620 | ≥483 | ≥15 | - |
