| Standard | Fe | C | N | O | H |
|---|---|---|---|---|---|
| ASTM B265 | 0.50 | 0.08 | 0.05 | 0.40 | 0.015 |
| ASTM B348 | 0.50 | 0.08 | 0.05 | 0.40 | 0.015 |
| ASTM F67 | 0.50 | 0.08 | 0.05 | 0.40 | 0.015 |
| ISO 5832-2 | 0.50 | 0.10 | 0.05 | 0.40 | 0.0125 |
| Standard | Tensile Strength | (Mpa) | Yield Strength | (Mpa) | Elogation | 0.2% offset | Reduction of Aera | (%) |
|---|---|---|---|---|---|---|---|---|
| ASTM B265 | ≥550 | 483~655 | ≥15 | - | ||||
| ASTM B348 | ≥550 | ≥483 | ≥15 | ≥25 | ||||
| ASTM B338 | ≥550 | ≥483 | ≥15 | ≥15 | ||||
| ASTM F67 | ≥550 | ≥483 | ≥15 | - |











