莱钢槽钢车库用工字钢Q355现货

理论重量

单位：kg/m、mm规格高度腿宽腰厚截面面积

（cm²）理重5#50374.56.9285.4386.3#63404.88.4516.6346.5#65404.3

6.7098#80435.010.2488.04510#100485.312.74810.00712#120535.5

12.05912.6126535.515.69212.31914#a140586.018.51614.53514#b14060821.31616.73316#a160636.521.96217.2416#b160658.525.16219.75218#a18068725.69920.17418#b18070929.2992320#a20073728.83722.63720#b20075932.83725.77722#a22077731.84624.99922#b22079936.24628.45325#a25078734.91727.4125#b25080939.91731.33525#c250821144.91735.2628#a280827.540.03431.42728#b280849.545.63435.83228#c2808611.551.23440.21930#a300857.5

34.46330#b300879.5

39.17330#c3008911.5

43.88332#a32088848.51338.08332#b320901054.91343.10732#c320921261.31348.13136#a36096960.91047.81436#b360981168.11053.46636#c3601001375.31059.11840#a40010010.575.06858.92840#b40010212.583.06865.20840#c40010414.591.06871.488

允许偏差

(mm)

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