低压流体输送用焊接钢管规格
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
公称口径外径普通钢管加厚钢管/mm/in公称尺寸/mm允许偏差壁厚理论质量/Kg·m-1壁厚理论质量/Kg·m-1公称尺寸/mm允许偏差公称尺寸/mm允许偏差DN61/8″Ф10.0±0.50mm2±12%—15%0.392.5±12%—15%0.46DN81/4″Ф13.52.250.622.750.73DN103/8″Ф17.02.250.822.750.97DN151/2″Ф21.32.751.253.251.45DN203/4″Ф26.82.751.633.52.01DN251″Ф33.53.252.4242.91DN3211/4″Ф42.33.253.1343.78DN4011/2″Ф48.03.53.844.254.58DN502″Ф60.0±%13.54.884.56.16DN6521/2″Ф75.53.756.644.57.88DN803″Ф88.548.344.759.81DN1004″Ф114.0410.85513.44DN1255″Ф140.04.515.045.518.24DN1506″Ф165.04.517.815.521.63常用热轧槽钢(GB707-88)型号截面面积/cm2理论质量/Kg·Km-1hbdtrr1550374.576.9285.4386.363404.87.58.4516.634880435810.2488.04510100485.38.512.74810.00712.6126535.5915.69212.31814a1405869.518.51614.53514b1406089.521.31616.733热轧扁钢(GB704-83)宽度/mm厚度/mm345678910理论质量/Kg·Km-1250.590.780.981.181.371.571.771.96300.710.941.181.411.651.882.122.36350.821.11.371.651.922.22.472.75400.941.261.571.882.22.512.833.14451.061.411.772.122.472.833.183.53501.181.571.962.362.753.143.533.93常用热轧等边角钢(GB-9786-86)型号尺寸/mm截面面积/cm2理论质量/Kg·Km-1bdr22033.51.1320.88941.4591.1452.52531.4321.12441.8591.45933034.51.7491.37342.2761.7863.63632.1091.65642.7562.16353.3822.654440352.3591.85243.0862.42253.7912.9764.54532.6592.08843.4862.73654.2923.36965.0763.98555035.52.9712.33243.8973.05954.8033.7765.6884.465