國標直縫鋼管外徑O.D : 1/2" - 56" ( 14- 1422.2mm)
國標直縫鋼管壁厚W.T : 0.312" - 2" (7.92 - 50.8mm)
國標直縫鋼管長度Unit Lenght: 1 - 12.3 meter
直縫鋼管標準Standard: GB/T9711-2011 PSL1/PSL2，API 5L PSL1/ PSL2, API 2B, EN10219, ASTM A671 CL13, ASTM A672 CL13, ASTM A252 etc.
直縫鋼管鋼級Steel Grade:
國標直縫鋼管GB/T9711:L245/L245M/L245N,L290/L290M/L290N,L360/L360M/L360N,L415/L415M/L415N,L450/L450M/L450N,L485/L485M/L485N,L555M/L555N
管線鋼直縫鋼管API 5L:Gr.B, X42,X52,X60,X65,X70,X80,
美標直縫鋼管API 2B: 2H, 2W
歐標直縫鋼管EN10219: S275JRH,S275J0H,S275J2H,S355JRH,S355J0H,S355J2H
美標直縫鋼管A671/A672 CL10-CL13:CA55,B65,B70,C70
美標直縫鋼管ASTM A252: GR.2/GR.3,
國標直縫鋼管年產能Produce Ability: 150,000 MT Per Year
