... :5-12MBV&SGS Description15CrMo,34CrMo4,Cr5Mo Alloy steel pipe StandardASTM A213,A200,A335,DIN17175,JIS G3458 G3462, ... 10CrMo910,35CrMo4,13CrMo4,10CrMo910,Cr5Mo,Cr9Mo,15CrMoG, STPA20/23/25 etcO.D21mm-711mmW.T1mm-60mmLengthRandom of 3m~18m ... APITechniqueHot rolled,cold rolledSurfacePolished,black,bright.ApplicationElectrical Resistance,Bolier Pipe, Heat Exchanger Tubes,Petroleum and Oil,Chemical Industry, ...