GB/T3091-2008低中压输送用焊接钢管-大口径厚壁直缝埋弧焊钢管外径O.D:18"-56"(457.2=1422.2mm)壁厚W.T:0.312"-2"(7.92-50.8mm)长度UnitLenght:5-12.3meter标准Standard:API5LPSL1/PSL2,API2B,EN10219,ASTMA671CL13,…
GB/T3091-2008低中压输送用焊接钢管- 大口径厚壁直缝埋弧焊钢管
外径O.D : 18" - 56" ( 457.2 = 1422.2mm)
壁厚W.T : 0.312" - 2" (7.92 - 50.8mm)
长度Unit Lenght: 5 - 12.3 meter
标准Standard: API 5L PSL1/ PSL2, API 2B, EN10219, ASTM A671 CL13, ASTM A672 CL13, ASTM A252 etc.
钢级Steel Grade:
API 5L:Gr.B, X42,X52,X60,X65,X70,X80,
API 2B: 2H, 2W
EN10219: S275JRH,S275J0H,S275J2H,S355JRH,S355J0H,S355J2H
A671/A672 CL10-CL13:CA55,B65,B70,C70
ASTM A252: GR.2/GR.3,