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      國標直縫鋼管外徑O.D :  14- 1822.2mm

      國標直縫鋼(gang)管(guan)壁(bi)厚W.T : 1 - 128mm

      國(guo)標(biao)直縫鋼管長度Unit Lenght: 1 - 12.3 meter  

      直縫鋼管標(biao)準Standard: GB/T9711-2011 PSL1/PSL2，API 5L PSL1/ PSL2, API 2B, EN10219, ASTM A671 CL13, ASTM A672 CL13, ASTM A252 

      直縫鋼管鋼級Steel Grade:   A53 GrB焊管，X60管線鋼管

      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(xian)鋼直(zhi)縫(feng)鋼管API 5L:Gr.B, X42,X52,X60,X65,X70,X80, X60管線(xian)鋼管  

      美標直縫鋼管API 2B: 2H, 2W  ,A53 GrB焊管，X60管線鋼管

      歐(ou)標直縫鋼(gang)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(guan)(guan)ASTM A252: GR.2/GR.3, A53 GrB焊管(guan)(guan)，X60管(guan)(guan)線鋼管(guan)(guan)

      國標直縫鋼管年(nian)產能Produce Ability: 150,000 MT Per Year