Dactron Pipe
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ASTM A252, formally titled the "Standard Specification for Welded and Seamless Steel Pipe Piles," is the primary standard that covers nominal (average) wall steel pipe piles of cylindrical shape. This specification applies to pipe piles that function either as permanent load-carrying members or as shells to form cast-in-place concrete piles. The standard is expressed in both inch-pound units and SI units.
Pipe piles under this specification can be manufactured as both seamless and welded products. Welded pipe piles include Electric Resistance Welded (ERW), Longitudinal Submerged Arc Welded (LSAW), and Spiral Submerged Arc Welded (SSAW/HSAW) types. ASTM A252 is classified into three distinct grades:
| Grade | Chemical Composition (max % by weight) |
|---|---|
| Grade 1 | C: 0.26, Si: 0.45, Mn: 1.60, P: 0.05, S: 0.03 |
| Grade 2 | C: 0.26, Si: 0.45, Mn: 1.60, P: 0.05, S: 0.03 |
| Grade 3 | C: 0.26, Si: 0.45, Mn: 1.60, P: 0.05, S: 0.03 |
