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1、焊焊接接钢钢管管尺尺寸寸及及重重量量公称口径外径（mm）普通管加厚管（mm）（in）壁厚（mm）理论重量壁厚（mm）理论重量（kg/m）（kg/m）61/81020.392.50.4681/413.52.250.622.750.73103/8172.250.822.750.97151/221.252.751.263.251.45203/426.752.751.633.52.0125133.53.252.4242.91321 1/442.253.253.1343.78401 1/2483.53.844.254.58502603.54.884.56.16652 1/275.53.756.644.5
2、7.8880388.548.344.759.811004114410.85513.441255140413.425.518.2415061654.5热热轧轧普普通通槽槽钢钢尺尺寸寸及及重重量量规规格格热热轧轧轻轻型型槽槽钢钢尺尺寸寸及及重重量量规格 型号尺寸理论 重量规格型号尺寸理论重量高度(h)腿宽(b)腰厚(d)高度腿宽腰厚550374.55.438550324.44.846.363404.86.6346.565364.45.98804358.045880404.57.0510100485.310.00710100464.58.5912.6126535.512.31812120524.81
3、0.414#a14058614.53514a140624.913.314#b14060816.73314140584.912.316#a160636.517.241616064514.216#b160658.519.75416a16068515.318#a18068720.17418180705.116.318#b1807092318a180745.117.420#a20073722.63720200765.218.420#b20075925.77720a200805.219.822#a22077724.99922220825.42122#b22079928.45322a220875.422.
4、625#a25078727.4124240905.62425#b25080931.33524a240955.625.825#c250821135.262727095627.728#a280827.531.427303001006.531.828#b280849.535.82333330105736.528#c2808611.540.219363601107.541.932#a32088838.08340400115848.332#b320901043.10732#c320921248.13136#a36096947.81436#b360981153.46636#c3601001359.11840#a4001001058.92840#b40010212.565.20840#c40010414.571.488