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, 年产能Produce Ability: 150,000 MT Per Year
