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1、槽钢执行标准及规格规格高度（mm）腿宽（mm）腰厚（mm）理论重重（kg/m）允许误差mm5#50374.55.4381.5*1.5*0.46.3#63404.86.6348#80435.08.04510#100485.310.00712#120535.512.0592.0*2.0*0.512.6126535.512.31914#a140586.014.53514#b14060816.73316#a160636.517.242.0*2.5*0.616#b160658.519.75218#a18068720.17418#b1807092320#a20073722.6373.0*3.0*0.720
2、#b20075925.77722#a22077724.99922#b22079928.45325#a25078727.4125#b25080931.33525#c250821135.2628#a280827.531.42728#b280849.535.83228#c280861140.21930#a300857.534.4633.0*3.5 *0.830#b300879.539.17330#c3008911.543.88332#a32088838.08332#b320901043.10732#c320921248.13136#a36096947.81436#b360981153.46636#c3601001359.11840#a4001001058.92840#b40010212.565.20840#c40010414.571.488允许的偏差(mm)型号5 6.3 6.5 8 10 12 12.6 14 16 18 20 22 24 25 27 28 30 32 36 40高度h 1.5 2.0 2.0 3.0 3.0腿宽b 1.5 2.0 2.5 3.0 3.5腰厚d 0.4 0.5 0.6 0.7 0.8弯腰挠度不应超过0.15d通常长度5 12m 5 19m 6 19m
