ASTMA106B/A333/A53B無縫鋼管,BS1387鍍鋅鋼管,防3PE螺旋鋼管。無縫規(guī)格直徑21.3mm-812.8mm 壁厚2.11mm-59.54mm. 直徑245mm-812.8mm為無縫熱擴鋼管。直縫管規(guī)格:19*3.5mm-1420*60mm.螺旋管規(guī)格:219*5mm-3220*25mm.。主要材質(zhì): 10#/20#/ ASTM A 106 GR.B/A53 B/ Q235/Q345B/ X42-X70。執(zhí)行標準:美標(ASME)ASTM A106/A53/A333/A335/A213日標(JIS), 德標(DIN)DIN1626\1629\17175.國標:GB/T8163.GB/T3087.GB/T9711.GB/T5037.
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