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Structural Steel Material Grades
ASTM grades with yield Fy and tensile Fu strengths (ksi) - AISC Manual Table 2-4
| Grade | Typical application | Fy (ksi) | Fu (ksi) |
|---|---|---|---|
| ASTM A36 | Plates, bars, angles | 36 | 58 |
| ASTM A992 | W-shapes / wide-flange (standard) | 50 | 65 |
| ASTM A572 Gr. 50 | Plates, HP-shapes, some shapes | 50 | 65 |
| ASTM A500 Gr. B (round) | Round HSS | 42 | 58 |
| ASTM A500 Gr. B (rect.) | Square / rectangular HSS | 46 | 58 |
| ASTM A500 Gr. C (round) | Round HSS | 46 | 62 |
| ASTM A500 Gr. C (rect.) | Square / rectangular HSS | 50 | 62 |
| ASTM A53 Gr. B | Steel pipe | 35 | 60 |
A992 is the standard grade for W-shapes. A500 differs between round and rectangular HSS (Fy varies by shape; Fu is equal within a grade). Values are for shapes and plate of normal thickness.
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