ASTM A573 is the Standard Specification for Structural Carbon Steel Plates with Improved Toughness for carbon-manganese-silicon plates up to 1.5 inches in thickness for service primarily at atmospheric temperatures when improved toughness is important. ASTM A573 Grade 70 has specified tensile strength range of 70-90 ksi.
| Grade | Product type | Thickness (in) |
Width (in) |
Length (in) |
| ASTM A573 Grade 70 | Mill Plate | 0.188 – 1.500 3) | 72 – 120 3) | 120 – 1020 3) |
| ASTM A573 Grade 70 | Temper Leveled Plate 1) | 0.100 – 0.500 | 48 – 96 | 72 – 720 |
| — | Coil for Conversion To 2) | 0.188 – 0.500 4) | 48 – 96 4) | — |


