ASTM A 519 – Seamless Carbon and Alloy Steel Mechanical Tubing
Grade: 4130
Chemical Compositions (max, %)
| Heat Analysis | C | Mn | P | S | Si | Cr | Mo |
| 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
Mechanical Requirements (min)
These requirements shall not be considered unless specified in the order.
| Condition | Ultimate Strength MPa | Yield Strength MPa | Elongation in 2 in. or 50 mm,% |
Rockwell Hardness B Scale |
| HR | 621 | 483 | 20 | 89 |
| SR | 724 | 586 | 10 | 95 |
| A | 517 | 379 | 30 | 81 |
| N | 621 | 414 | 20 | 89 |
HR = Hot Rolled, SR = Stress Relieved, A = Annealed, N = Normalized