Standard: ASTM A500
Cold-Formed Welded and Seamless Carbon Structural Tubing in Rounds and Shapes
Applications: for construction of bridges, and buildings, and for general strcutrual purposes
Shapeds could be produced according to your drawing
| ChemicalReuirement | ||||
| Element | GradeA, b and D | Grade C | ||
| Heat Analysis | Product Analysis | Heat Analysis | Product Analysis | |
| Carbon, max | 0.26 | 0.3 | 0.23 | 0.27 |
| Manganese,max | 1.35 | 1.40 | 1.35 | 1.4 |
| Phosphorus,max | 0.035 | 0.045 | 0.035 | 0.045 |
| Sulfur,max | 0.035 | 0.045 | 0.035 | 0.045 |
| Copper,min | 0.2 | 0.18 | 0.2 | 0.18 |
| Tensilrequirements | ||||
| Round StructuralTubing | ||||
| GradeA | Grade B | Grade C | Grade D | |
| Tensil strengths,min,psi(Mpa) | 45 (310) | 58(400) | 62(425) | 58(400) |
| Yield strength,min,psi(Mpa) | 33(230) | 42(290) | 46(315) | 36(250) |
| Elongation in 2 in.(50mm)min,% | 25 | 23 | 21 | 23 |
| Shaped StructuralTubing | ||||
| GradeA | Grade B | Grade C | Grade D | |
| Tensil strengths,min,psi(Mpa) | 45 (310) | 58(400) | 62(425) | 58 |
| Yield strength,min,psi(Mpa) | 39(270) | 46(315) | 50(315) | 36(250) |
| Elongation in 2 in.(50mm)min,% | 25 | 23 | 21 | 23 |
Shaped steel tubes including: Rectangle steel tubes, Square steel tubes, Hexagon steel tubes, both for seamless steel tubes and welded steel tubes
