ASTM A656 grade 80 chemical composition
12-06-2024 Visits:1
Chemical Composition
The following composition properties are ASTM specifications for these A656 grades. All grades can be produced with three types of chemical compositions.
| A656 (All Grades) Type 3 | |
| Carbon max | 0.18% |
| Manganese max | 1.65% |
| Phosphorus max | 0.025% |
| Sulfur max | 0.030% |
| Silicon max | 0.60% |
| Columbium | 0.008-0.10% |
| Vanadium max | 0.08% |
| Nitrogen max | 0.030% |
| A656 (All Grades) Type 7 | |
| Carbon max | 0.18% |
| Manganese max | 1.65% |
| Phosphorus max | 0.025% |
| Sulfur max | 0.030% |
| Silicon max | 0.60% |
| Columbium | 0.10% max |
| Vanadium max | 0.15% |
| Nitrogen max | 0.030% |
| A656 (All Grades) Type 8 | |
| Carbon max | 0.18% |
| Manganese max | 1.65% |
| Phosphorus max | 0.025% |
| Sulfur max | 0.030% |
| Silicon max | 0.60% |
| Columbium | 0.10% max |
| Vanadium max | 0.15% |
| Titanium max | 0.15% |
| Nitrogen max | 0.030% |
Available Sizes
Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders.
| THICKNESS | WIDTH | LENGTH | |
| Grades 50, 60 & 70 | Inquire | Inquire | Inquire |
| Grade 80 | 3/16" – 1" | 48" – 120" | Up to 480" |
| Grade 100 | 1/4" – 1 1/2" | 48" – 120" | Up to 480" |
Material Properties
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 % |
| 50 | 50 | 60 | 20 |
| 60 | 60 | 70 | 17 |
| 70 | 70 | 80 | 14 |
| 80 | 80 | 90 | 12 |
| 100 | 100 | 110 | 12 |
