无缝钢管规格及允许偏差.doc

无缝管重量公式:(外径-壁厚)*壁厚*0.02466=kg/米(每米的重量) 20G无缝钢管 （GB5310-2008）规格规格规格规格10*238*4.560*7108*414*238*560*8108*4.514*338*663.5*3108*518*340*263.5*3.5108*619*240*3.563.5*4108*719*2.7542*363.5*4.5108*819*342*3.563.5*5108*920*242*463.5*6108*1022*242*4.563.5*9108*12.522*2.542*563.5*10114*422*345*2.568*4114*4.522*3.545*368*6114*522*445*3.570*3114*625*245*470*3.5114*925*2.545*4.570*4133*4.525*345*570*4.5133*525*3.545*670*5133*625*448*370*6133*6.525.4*4.548*3.570*8133*727*2.548*470*9133*828*2.548*4.570*10133*928*351*373*3.5133*1028*3.551*3.273*4133*12.528*451*3.573*4.5140*628*4.551*473*5140*830*351*4.573*5.5140*1032*251*573*7159*4.532*2.551*676*3.5159*532*354*3.576*4159*5.532*3.554.5*3.576*4.5159*632*454*576*5159*732*4.557*376*6159*832*557*3.576*7159*1034*357*489*4159*1234*3.557*589*4.5168*534*457*689*5168*634*4.557*1089*6168*734*557*1289*7168*834*860*389*8168*936*460*3.589*10168*1038*2.560*4102*4194*638*360*4.5102*4.5194*738*3.560*5102*5194*938*460*6102*6194*10规格规格规格规格194*11245*18325*12426*12219*6245*20325*13426*13219*6.5273*7325*14426*14219*7273*8325*15426*16219*8273*9325*16426*17219*9273*9.5325*18426*18219*10273*10325*20426*19219*11273*11325*25426*20219*12273*12351*10426*25219*13273*13377*9457*14219*14273*14377*10480*10219*15273*15377*11480*11219*16273*16377*12480*12219*18273*18377*13480*14219*20273*20377*14480*16219*25273*25377*15530*9245*7273*30377*16530*10245*8273*36377*17530*13245*9299*12377*25530*14245*10325*8426*8530*20245*12325*9426*9245*14325*10426*10245*16325*11426*120G无缝钢管允许偏差