燃气管道常用管材规格(共6页).doc

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1、精选优质文档-倾情为你奉上一、 无缝钢管 (输送流体用无缝钢管(GB/T 8163-1999)序号规格型号DN公称外径壁厚mm内径mm备注1DN15D182.515.82D223.021.33DN20D253.0194DN25D323.5255DN32D383.5316DN40D453.5387DN50D573.5508DN70D764.0689DN80D894.08110DN100D1084.010011DN125D1334.012512DN150D1596.014713DN200D2196.020714DN225D2456.020715DN250D2737.04117DN300D3258.

2、06818DN400D4269.080.519DN500D5309.010620DN500D6309.013221DN500D72010.0157DN600D82010.0DN700D92010.0DN800D102010.0DN900D122010.0DN1000DN1200DN1500二、 镀锌钢管(低压流体输送用镀锌焊接钢管GB/T 3091-2001)序号规格型号DN公称外径壁厚mm内径mm备注1DN1521.32.7515.82DN2026.82.7521.33DN2533.53.25274DN3242.33.2535.85DN40483.5416DN50603.5537DN6575

3、.53.75688DN8088.54.080.59DN1001144.010610DN1251404.013211DN1501654.01576m/根三、焊接钢管（低压流体输送用焊接钢管（GB/T3092-1993）/4.直缝电焊钢管（YB242-63）序号规格型号DN公称外径壁厚mm内径mm备注1DN15D182.515.82D223.021.33DN20D253.0194DN25D323.5255DN32D383.5316DN40D453.5387DN50D573.5508DN70D764.0689DN80D894.08110DN100D1084.010011DN125D1334.0125

4、12DN150D1596.014713DN200D2196.020714DN225D2456.020715DN250D2737.04117DN300D3258.06818DN400D4269.080.519DN500D5309.010620DN500D6309.013221DN500D72010.0157DN600D82010.0DN700D92010.0DN800D102010.0DN900D122010.0DN1000D7204.0DN1200D7204.0DN1500D7204.0四、螺旋焊管（一般低压流体输送用螺旋缝埋弧焊钢管（SY5037-83）序号规格型号DN公称外径壁厚mm内径mm备注1DN200D2196.02072DN225D2456.02073DN250D2737.0414DN300D3258.0685DN400D4269.080.56DN500D5309.01067DN500D6309.01328DN500D72010.01579DN600D82010.010DN700D92010.011DN800D102010.012DN900D122010.013DN1000D7204.014DN1200D7204.015DN1500D7204.0五、 铝塑复合管（铝塑复合压力管）专心-专注-专业