Line Pipe ERW/Seamless (X42/X52) Suzhou Besteel Service International Co., Ltd Base Info Model NO.:X42,X52Type:Seamless and WeldedTechnique:ERW,Seamless,SawSurface Treatment:BlackUsage:Pipeline TransportSection Shape:Round Description Pre:SAE 1045 C1045 Ck45 S45c Alloy Tool Steel Forged Carbon Steel Round Bar Next:18khg 16mncr5 20crmnti 20mncr5 Gear Steel Round Bars