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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12.752.753.253.253.53.53.754.04.04.04.5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 -1.021.643.11501624.8 -1.025.651.22002145.8 -1.041
2、81.92502686.4 -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Nm15116.06.5403500.1520136.57.0603500.2525156.06.51004500.3032177.07.51204500.3540187.07.51506000.350209.09.52006000.40652310.010.52509000.35802711.512.03009000.401003313.514.040010000.501253515.016.050010000.601503515.016.060010000.70