ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
| Specification | ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing |
| Standard | ASTM A519 |
| Equivalents | EN 10305-1, NF 699, GOST 9567-75, DIN 2391 |
| Materials | 4130 |
Chemistry Composition of ASTM A519 4130
| Grade | C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 max | 0.040 max | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |