MD Exports LLPs produces square, rectangle, round and special shaped electric resistance welded (ERW) carbon steel tubing to meet ASTM specifications A500 Grade A, Grade B and Grade C that is often used in structural applications. The purpose and strength levels required will determine which grade is required. Valmont does not produce tubing to meet the Grade D specification.
Grade | Yield (min) | Tensile (min) | Elongation (min) |
Grade A | 39,000 psi | 45,000 psi | Determined by wall |
Grade B | 46,000 psi | 58,000 psi | Determined by wall |
Grade C | 50,000 psi | 62,000 psi | Determined by wall |
Grade | Yield (min) | Tensile (min) | Elongation (min) |
Grade A | 33,000 psi | 45,000 psi | Determined by wall |
Grade B | 42,000 psi | 58,000 psi | Determined by wall |
Grade C | 46,000 psi | 62,000 psi | Determined by wall |
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