A572 is the standard specification for high-strength low alloy columbium-vanadium structural steel. Lists five chemical recipes and five different mechanical property ranges for plate products (grades 42, 50, 55, 60, and 65). Relatively wide chemical and property ranges. Grade 50 high volume.
| GRADE | THICKNESS (in) |
YIELD STRENGTH (MIN ksi) |
TENSILE STRENGTH (MIN ksi) |
ELONGATION IN 2" 1) (MIN %) |
ELONGATION IN 8" 1) (MIN %) |
|---|---|---|---|---|---|
| ASTM A572 Grade 50 | 0.100 - 4.00 | 50 | 65 | 21 | 18 |
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