無縫管規格/GB8162鋼管
GB8162鋼管 22-28X2.5-4-6<BR>GB8162鋼管 32-38-40X3-4-6-8<BR>GB8162鋼管 42-48X3.5-4-5-8-10<BR>GB8162鋼管 51-60X3.5-5-6-7-9<BR>GB8162鋼管 76-89X4.5-6-8-10-12<BR>GB8162鋼管 108-133X5-6-8-10-12<BR>GB8162鋼管 159-168X7-8-10-14-18-26<BR>GB8162鋼管 194-219X6-8-12-20-26-38<BR>GB8162鋼管 245-273X10-12-14-16-22-15-40<BR>GB8162鋼管 325-355.6X11-14-16-20-30-40<BR>GB8162鋼…
GB8162鋼管 22-28X2.5-4-6
GB8162鋼管 32-38-40X3-4-6-8
GB8162鋼管 42-48X3.5-4-5-8-10
GB8162鋼（gāng）管 51-60X3.5-5-6-7-9
GB8162鋼管 76-89X4.5-6-8-10-12
GB8162鋼管 108-133X5-6-8-10-12
GB8162鋼管 159-168X7-8-10-14-18-26
GB8162鋼管 194-219X6-8-12-20-26-38
GB8162鋼管 245-273X10-12-14-16-22-15-40
GB8162鋼管 325-355.6X11-14-16-20-30-40
GB8162鋼管 377-426X11-14-16-20-25-40-45
GB8162鋼管 426-508X14.2-17.5-22-45-52
GB8162鋼管 530-558.8X16.8-60-70