The ASTM A131 specification is the Standard Specification for Structural Steel plates primarily used in ship construction. Steel grades covered in this specification require CVN Impact testing and are classified by minimum Yield Strengths. Grades classified as Ordinary Strength have a minimum Yield Strength of 34 ksi and grades classified as Higher Strength have a minimum Yield Strength of 46 ksi. The Condition of Supply is determined by the ordered thickness and product type ( plate, shapes and bars).
| Product Name | Dimensions |
| ASTM A131 Grade A, B, D & E | T: 0.1875 – 3.94 in L: 240 – 1020 in W: 72 – 129.9 in |
| ASTM A131 Grade AH/DH 32 | T: 0.251 – 1.50 in L: 240 – 1020 in W: 72 – 120 in |
| ASTM A131 Grade AH DH EH 36 | T: 0.251 – 3.94 in L: 240 – 1020 in W: 72 – 129.9 in |
