ASTM A36 structural steel has good weldability, it is usually hot rolled into rectangle steel, square steel, round steel, steel plate, and is also commonly made into all kinds of steel sections such as H beam, I beam, U channel, steel angle, steel tube, etc.
| A36 Steel Mechanical Properties | Notes | |
| Ultimate tensile strength, MPa (ksi) | 400-550 (58-80) | Plates, Shapes and Bars |
| Yield strength, MPa (ksi), ≥ | 250 (36) | Thickness ≤ 200mm (8 in) |
| 220 (32) | Steel plates thickness > 200mm (8 in.) | |
| Elongation, %, ≥ | 20 | Plates and Bars in 200 mm (8 in.) |
| 23 | Plates and Bars in 50 mm (2 in.) | |
| Brinell hardness, HB | 119-162 | Based on the conversion from tensile strength |
| Charpy V-Notch Impact Test, J ( ft·lbf), ≥ | 27 (20) | Structural shapes, alternate core location |
| Modulus of elasticity (Young’s modulus), GPa (ksi) | 200 (29×103) | |
| Shear modulus, GPa (ksi) | 79.3 (11.5×103) | |
| Poissons ratio | 0.26 | |
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