A714 Standard Specification for High-Strength Low-Alloy Welded and Seamless Steel Pipe.
ASTM A714 grade VII Low-Alloy Welded pipe/tube Application: construction industry, structural elements, combination walls, casings or as water transportation, piping transportation etc.
ASTM A714 grade VII material chemical composition
| GradeVII | Carbon, max | Manganese | Phosphorus | Sulfur, max | Silicon | Copper | Nickel |
| Heat | 0.12 | 0.20-0.50 | 0.07-0.15 | 0.05 | 0.25-0.75 | 0.25-0.55 | 0.65max |
| Product | 0.15 | 0.17-0.53 | 0.06 | 0.20-0.80 | 0.22-0.58 | 0.68max |
ASTM A714 grade VII welded pipe/tube mechanical properties
| Tensile strength,psi(mpa) | Yield strength, min, psi (MPa) | Elongation in 2 in. (50.8 mm) min, % | Elongation in 8 in. (203.2 mm) min, % | |
| Grade VII | 65 000 (450) | 45 000 (310) | 22 |
The size of A714 grade VII low alloy welded pipe/tube
ERW; outer diameter:21.3-660mm thickness:6-25mm LSAW; outer diameter:325-1524mm thickness:6-50mm SSAW: outer diameter:219-3200mm thickness:5-25mm
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