We use cookies to analyze traffic and improve your experience. We may also share your information with our analytics partners to improve our website, as detailed in our Privacy Policy. You consent to our cookies if you continue to use this website.
The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.
Grade | Yield Point (ksi) | Tensile Strength (ksi) | Min. 8” Elongation % |
58 | 32 | 58-71 | 21 |
65 | 35 | 65-77 | 20 |
70 | 42 | 70-90 | 18 |
The following composition properties are ASTM specifications for these A573 grades.
A573 GR 58 | |
Carbon max | 0.23% |
Manganese | 0.60-0.90% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.10-0.35% |
A573 GR 65 | |
Carbon, ≤1/2" Thick | 0.24% |
Carbon, >1/2"-1 1/2" Thick | 0.26% |
Manganese | 0.85-1.20% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.40% |
A573 GR 70 | |
Carbon, ≤1/2" Thick | 0.27% |
Carbon, >1/2"-1 1/2" Thick | 0.28% |
Manganese | 0.85-1.20% |
Phosphorus max | 0.030% |
Sulfur max | 0.030% |
Silicon | 0.15-0.40% |