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常用無縫鋼管規格表
8-16*1-1.5-2-3-3.5	133-140*4.5-5-6-8-10-12-14-16-18-20-25-30-35-40
18-20*2-2.5-3-4-5	146-152*5-6-8-10-12-14-16-18-20-22-24-26-30-35-40
22-25*2-2.5-3-4-6-7	159-168*4.5-5-6-8-10-12-14-16-18-20-25-30-35-40
28-32*2-2.5-3-4-6-8	180-194*6-8-10-12-14-16-18-20-25-30-35-40
34-38*3-3.5-4-6-8-10-12	203-219*6-8-10-12-14-16-18-20-25-30-35-40-45-50
42-45*3-3.5-4-6-8-10-12	245-273*7-8-10-12-14-16-18-20-25-30-35-40-45-50-60
48-51*3-3.5-4-5-6-8-10-12-14	299-325*8-10-12-14-16-18-20-25-30-35-40-45-50-60
51-63.5*3-4-5-6-8-10-12-14-16	351-377*8-10-12-14-16-18-20-25-30-35-40-45-50-60
70-76*4-5-6-8-10-12-14-16-18-20-24	402-406*10-12-14-16-18-20-25-30-35-40-45-50-60-70
83-89*4-5-6-8-10-12-14-16-18-20-22-24-25	426-450*9-10-12-14-16-18-20-25-30-35-40-50-60-70
95-102*4.5-5-6-8-10-12-14-16-18-20-22-24-25	480-508*10-12-14-16-18-20-30-40-50-60-70-80
108-114*4-5-6-8-10-12-14-16-18-20-22-24-25-30	530-630*10-12-14-16-18-20-30-40-50-60-70-80
121-127*5-6-8-10-12-14-16-18-20-22-24-26-28-30-32	720-1000*12-14-16-18-20-30-40-50-60-70-80-100