国标焊接钢管壁厚.pdf

《国标焊接钢管壁厚.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、国标焊接钢管壁厚规格规格外径外径壁厚壁厚最小壁厚焊管焊管焊管(6焊管(6(6(6米定尺米定尺米定尺)米定尺)))镀锌管镀锌管镀锌管(6镀锌管(6(6(6米定尺米定尺米定尺)米定尺)))公称内径英寸英寸mmmmmmmmmmmmmmmmmm米重米重米重kg米重kgkgkg根重根重根重根重kgkgkgkg米重米重米重米重kgkgkgkg根重根重根重根重kgkgkgkgDN15DN151/21/21/221.321.321.32.82.82.82.452.452.45DN20DN203/43/43/426.926.926.92.82.82.82.452.452.451.661.669.96

2、9.961.761.7610.5610.56DN25DN25111133.733.733.73.23.23.22.82.82.412.412.4114.4614.462.5542.55415.3215.32DN32DN321.251.2542.442.43.53.53.53.063.063.063.363.3620.1620.163.563.563.5621.3621.36DN40DN401.51.51.548.348.348.33.53.53.53.063.063.063.873.8723.2223.224.104.104.1024.6024.60DN50DN50222260.3

3、60.360.33.83.83.83.3253.3255.295.295.2931.7431.745.6075.60733.6433.64DN65DN652.52.52.576.176.176.14.04.04.03.53.57.117.117.1142.6642.667.5367.53645.2145.21DN80DN80333388.988.988.94.04.04.08.388.388.3850.2850.288.888.888.8853.2853.28DN1004444114.3114.34.04.04.010.8810.8865.2865.2811.5311.5369.1

4、869.18DN12555551401401404.54.515.0415.0490.2490.2415.94215.94298.6598.65DN1506666168.3168.34.54.54.518.1818.18109.08109.0819.2719.27115.62115.62DN2008888219.1219.16.0(6.0(6.0(6.0(焊管焊管焊管焊管))))31.5331.53189.18189.18DN2008888219.1219.16.56.56.536.12216.7216.7(((热镀锌(热镀锌热镀锌)热镀锌)))钢管外径钢管外径、钢管外径、、、壁厚

5、的允许偏差壁厚的允许偏差管端外径允许偏差/mm公称外径D/mm管体外径允许偏差壁厚允许偏差(距管端100mm范围内)D≤48.3±0.5mm-48.3＜D≤273.1±1.0%D-±10%273.1＜D≤508±0.75%D+2.4，-0.8D＞508±1.0%D或±10.0，两者取较小值+3.2，-0.8