... steel pipe price 1.Size:33.4mm-911mm 2.Thickness:1.0mm-25mm 3.Standard: BS1387 ... and DIN/JIS/ASTM standarda. DIN Standard 10#(ST37-2,ST35-8),20#(ST42,ST45-4/8),45 ... .Tolerate:OD +/-1%,Thickness +12.5% / -10%,length +/-2 cmIf you have any questions, please do not hesitate ... Q345, Q390, 10MoVNb, 12CrMo, 15CrMo, 12Cr2MoISO 9329-2-1997 ASTM A161-94Seamless steel tubesfor petroleum crackingGB9948-8610, 20 ...