... .Length:5-12MBV&SGS Description15CrMo,34CrMo4,Cr5Mo Alloy steel pipe StandardASTM A213,A200,A335,DIN17175,JIS G3458 G3462, GB5310 ... CE,APITechniqueHot rolled,cold rolledSurfacePolished,black,bright.ApplicationElectrical Resistance,Bolier Pipe, Heat Exchanger Tubes,Petroleum and Oil,Chemical Industry, ... ASTM A792 -- PPGI/PPGL: Ral colour --Corrugated / roofing sheet --Angle steel/H&I Beams Boiler steel ...