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SSAW (Spiral Submerged-arc Weld) steel tubes & pipes for the foundation of buildings, machinery foundation, bridges, overpasses, harbor and river structures, etc.
Size
OD
8.625"-40" (219mm-1020mm)
Thickness
0.10”~1.0” (2.5mm~25mm), Customized
Length
R1, R2, R3, 20’~66’ (5.8m~20m) , Customized
Tolerance
OD
±1%
WT
+12.5% / -10%
Length
±2.0%
Standards
ASTM A53/A252
Material
ASTM: A53 Gr. A/B/C/F; ASTM A252, etc.
Packing
Hexagon bundles by steel strips
Coating
Blacke, Oiled, Varnished, etc.
