ASTM A53 ERW steel pipe Sch40, SRL ERW pipe
ASTM A252 Gr.3 steel piling pipes March 15, 2017. ... ASTM A53B ERW Steel Pipe Sch40, SRL ERW pipe: A53B ERW Pipe Diameter: 1/2 inch ~ 26 inch: Diameter Tolerance: acc. to ASTM A53, +/-1% of outside diameter: A53B ERW Wall Thickness: SCH10, SCH20, SCH30, SCH 40, STD, SCH80 etc: