公称尺寸寸/mm20"/①508壁厚 mm12.712.716.13内径 mm482.6482.6475.7重量 kg/m157.09157.09197.37内容积 L/m182.92182.92177.86闭排 L/m202.96202.96203.61开排 L/m20.0420.0425.75横截面积 mm2197621976224923钢级J55J55J55扣型梯圆梯接箍外径 mm533.4533.4533.4通径 mm477.8477.8470.96抗拉强度 N*M709540578950抗挤强度 Mpa5.295.2910.3抗内压强度 Mpa15.9715.9721.1紧扣扭距 N*M246571504316160公称尺寸寸/mm133/8〃/①339.7壁厚 mm13.0612.1912.1912.19内径 mm313.61315.3315.3315.3重量 kg/m107.15101.2101.2101.2内容积 L/m77.2178.0878.0878.08闭排 L/m90.890.890.890.8开排 L/m13.5912.7212.7212.72横截面积 mm2125451254512545钢级Q125P110NT80HENT110HE扣型梯梯梯梯接箍外径 mm365.1365.1365.1365.1通径 mm311.4311.4311.4311.4抗拉强度 N*M11775924169199241抗挤强度 Mpa20.1816.0721.1721.36抗内压强度 Mpa583433.8133.81紧扣扭距 N*M188361883618836公称尺寸寸/mm133/8〃/①339.7壁厚 mm12.1912.1912.1912.19内径 mm315.3315.3315.3315.3重量 kg/m101.2101.2101.2101.2内容积 L/m78.0878.0878.0878.08闭排 L/m90.890.890.890.8开排 L/m12.7212.7212.7212.72横截面积 mm212545125451254512545钢级NT80TAC110SM95TTSM110TT扣型梯梯梯梯接箍外径 mm365.1365.1365.1365.1通径 mm311.4311.4311.4311.4抗拉强度 N*M7036970275908625抗挤强度 Mpa15.5822.9619.6719.67抗内压强度 Mpa34.548.3734.0134.36紧扣扭距 N*M1883618836公称尺寸寸/mm133/8〃/①339.7壁厚 mm10.9210.9210.929.65内径 mm317.9317.9317.9320.4重量 kg/m90.2290.2290.2280内容积 L/m79.3779.3779.3780.63闭排 L/m90.890.890.890.8开排 L/m11.4311.4311.4310.17横截面积 mm211282112821128210009钢级NT80HTNT110HT TAC110NT80HE扣型梯梯梯梯接箍外径 mm365.1365.1365.1365.1通径 mm313.9313.9313.9316.5抗拉强度 N*M9241622386465517抗挤强度 Mpa15.5916.0716.3110.78抗内压强度 Mpa33.8132.6334.328.81紧扣扭距 N*M18836188361883618836公称尺寸寸/mm133/8〃/①339.7壁厚 mm9.658.3810.92内径 mm320.4323.01317.9重量 kg/m8070.0390.22内容积 L/m80.6381.979.37闭排 L/m90.890.890.8开排 L/m10.178.911.43横截面积 mm2100098719.911282钢级NT110HENT80HENT110HE扣型梯梯梯接箍外径 mm365.1365.1365.1通径...