dn450无缝钢管外径和壁厚标准DN钢管厂家提供

dn450无缝钢管外径和壁厚标准【DN钢管厂家提供】DN钢管指的是公称通径。DN450无缝钢管外径换算为457/480mm，壁厚8-90mm。聊城志启钢管公司销售部宋经理/附图：DN钢管公称内外径对照表规格外径mm壁厚mm小壁厚mm焊管(6米定尺)镀锌管(6米定尺)公称内径英寸米重kg根重kg米重kg根重kgDN151/2  4分21.32.82.45DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN321.2542.43.53.063.3620.163.5621.36DN401.548.33.53.063.8723.224.1024.60DN50260.33.83.3255.2931.745.60733.64DN652.576.14.03.57.1142.667.53645.21DN80388.94.08.3850.288.8853.28DN1004114.34.010.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62DN2008219.16.0(焊管)31.53189.18DN2008219.16.5(热镀锌)36.12216.7本公司无缝钢管常备现货规格表：12×168×4-4.5-10-12-14-16203×6-15-20-25-30-32-45-5014×1.5-2.5-370×4-4.5--12-15-16219×6-8-18-20-25-30-50-55-65-7016×1.5-2.5-473×4-4.5-9-10-12-15245×8--20-22-25-30-34-4018×2.4-576×4-47-8-9-10-12-14273×7-9-18-20-25-30-40-45-5020×2.-3-583×4.5-5-10-12-14-16-18-20299×8-24-28-30-38-40-4524×2.-4-5-689×4.5-8--18-20325×8-18-38-4225×2.54-5-695×4.5-6-8--16-20351×25-4028-4-5-6102×4.5-5--12-14-16-20355×6-25-30-40/5232×4-5-6-8108×4.5-510-12-14-18-20-22377×20-24-28-30-45-5034.5-6-8114×4.5-5--12-14-18-20402×10-15-20-25-30-3536×3.5-5-6-8121×4.5-5--12-14-16-20406×10-20-35-4038×4-5-6-7-8-9-10127×4.5-5-10-12-14-16-20