A714 Standard Specification for High-Strength Low-Alloy Welded and Seamless Steel Pipe.
ASTM A714 grade III Low-Alloy Welded pipe/tube Application: construction industry, structural elements, combination walls, casings or as water transportation, piping transportation etc.
ASTM A714 grade III welded steel pipe/tube chemical composition
| Grade III | Carbon, max | Manganese | Phosphorus | Sulfur, max | Silicon | Copper | Vanadium |
| Heat | 0.23 | 1.35 max | 0.04max | 0.05 | 0.30max | 0.20min | 0.02min |
| Product | 0.27 | 1.40 max | 0.05max | 0.06 | 0.35max | 0.18min | 0.01min |
ASTM A714 grade III high strength 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 III | 65 000 (450) | 50 000 (345) | 20 | 18 |
A714 grade III low alloy welded pipe/tube dimension
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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