... SSAW,LSAW,Seamless 5)Standard:ASTM,ANSI Type sch 20 carbon steel pipe SizeSeamless Pipe: 1/2”~48”, DN15~DN1200, ... -7.9,150M19,En46..Length6-12mIndustrial processhot rolled,hot expanded,cold drawn,and hot galvanizedSurface treatmentTransparent oil, rust-proof ... of B/L) Equipment Quality Control: Our products :carbon steel ,alloy steel ,stainless steel pipes and pipe fittingssuch as: long/short radius ...