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ASTM A252 Steel Pipe Pile
Grades: 1, 2, and 3 Dimensions: Up to 48 inch seamless and welded Types: Seamless, Welded (ERW, LSAW, SSAW, DSAW) Thickness: Schedule STD, 40, XS, 80, XXS, 160 Length: 6m, 12m or customized. Ends: Beveled, Plain Coatings Treatment: FBE, 3PE, Galvanized
Description
ASTM A252 Grade 3 - Common Pipe Piling Material
The most common pipe piling material is ASTM A252 Grade 3 pipe, this pipe grade could be made in seamless or welded, which in most situations are requested in welded type because of the large diameters pipe pile required. A252 Grade 3 has better strength which tensile in 455 Mpa (66,000 psi), and yield strength 310 Mpa (45,000 psi).
Welded pipe pile
Welded pipe pile referred as ERW (electric resistance welded), LSAW (Longitudinal Arc Sub-merged Welding) and DSAW/SSAW (Spiral Arc Welded Pipe).
Size and Weight Tolerance
Tolerance allowed: OD tolerances at +/-1%, wall thickness +/- 12%. Weight shall be in +15% or -5% of theoretic weight.
Lengths: As specified SRL, DRL, or fixed length 20 ft or 40 ft and customized.
Hydrostatic Test
Hydrostatic test is not specified in ASTM A252 pipe specification, as normally piling pipe is filling with cement and concrete and forming, not for liquid transmission, so hydrostatic is not required.
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