管外径及壁厚对照表

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1、镀锌或非镀锌焊接钢管外径壁厚（mm）公称直径DN1520253240506580100125150外径21.326.833.542.348.060.075.588.5114140165.0壁厚δ12.752.753.253.253.53.53.754.04.04.04.5铸铁排水管管径及壁厚（mm）DND1壁厚理论重量（Kg）T公差L=1500L=300050614.3-0.78.316.575864.4-0.712.224.41001114.8-0.717.334.61251374.8-1.021.643.1150

2、1624.8-1.025.651.22002145.8-1.04181.92502686.4-1.256.8113.63003187.0-1.274148排水硬聚氯乙烯管外径及壁厚（mm）公称外径DN（mm）平均外径（mm）极限偏差壁厚（mm）基本尺寸极限偏差40+0.3-02.0+0.4-050+0.3-02.0+0.4-075+0.3-02.3+0.4-090+0.3-03.2+0.6-0110+0.4-03.2+0.6-0125+0.4-03.2+0.6-0160+0.5-04.0+0.6-0螺纹连接管件旋入长

3、度公称直径mm旋入扭矩管钳规格（mm）×施加的力（KN）长度mm牙数N•m15116.0~6.540350×0.1520136.5~7.060350×0.2525156.0~6.5100450×0.3032177.0~7.5120450×0.3540187.0~7.5150600×0.350209.0~9.5200600×0.40652310.0~10.5250900×0.35802711.5~12.0300900×0.401003313.5~14.04001000×0.501253515.0~16.05001000

4、×0.601503515.0~16.06001000×0.70