首页    Q345B C D E角钢    Q345D不等边角钢
d2eb758ce60c6629

Q345D不等边角钢

Q345D不等边角钢,热轧不等边角钢规格表(GB/T1591)

Q345D不等边角钢



热轧不等边角钢规格表(GB/T1591)
(表一)B   —长边宽度  b —短边宽度  d —边厚度    r —内圆弧半径   r 1 —边端内弧半径     I —惯性矩      i —惯性半径    W —截面系数  X 0 —重心距离      Y0 —重心距离 
型号尺寸/mm截面面积/ cm2理论重量/ kg · m - 1外表面积/ m2 · m - 1
Bbdr
2.5/1 .6251633.51.1620.9120.08
41.4991.1760.079
3.2/2322031.4921.1710.102
41.9391.5220.101
4/2.54025341.891.4840.127
42.4671.9360.127
4.5/2 .84528352.1491.6870.143
42.8062.2030.143
5/3.2503235.52.4311.9080.161
43.1772.4940.16
5.6/3.65636362.7432.1530.181
43.592.8180.18
54.4153.4660.18
6.3/46340474.0583.1850.202
54.9933.920.202
65.9084.6380.201
76.8025.3390.201
( 表二 )






型号尺寸/mm截面面积/ cm2理论重量/ kg · m - 1外表面积/ m2 · m - 1
Bbdr
7/4.5704547.54.5473.570.226
55.6094.4030.225
66.6475.2180.225
77.6576.0110.225
(7.5/5)7550586.1254.8080.245
67.265.6990.245
89.4677.4310.244
1011.599.0980.244
8/5805058.56.3755.0050.255
67.565.9350.255
78.7246.8480.255
89.8677.7450.254
9/5.69056597.2125.6610.287
68.5576.7170.286
79.887.7560.286
811.1838.7790.286
10/6.3100636109.6177.550.32
711.1118.7220.32
812.5849.8780.319
1015.46712.1420.319
10/810080610.6378.350.354
712.3019.6560.354
813.94410.9460.353
1017.16713.4760.353
( 表三 )






型号尺寸/mm截面面积/ cm2理论重量/ kg · m - 1外表面积/ m2 · m - 1
Bbdr
11/71107061010.6378.350.354
712.3019.6560.354
813.94410.9460.353
1017.16713.4760.353
12.5/81258071114.09611.0660.403
815.98912.5510.403
1019.71215.4740.402
1223.35118.330.402
14/91409081218.03814.160.453
1022.26117.4750.452
1226.420.7240.451
1430.45623.9080.451
16/10160100101325.31519.8720.512
1230.05423.5920.511
1434.70927.2470.51
1639.28130.8350.51
18/11180110101428.37322.2730.571
1233.71226.4640.571
1438.96730.5890.57
1644.13934.6490.569
20/12.52001251237.91229.7610.641
1443.86734.4360.64
1649.73939.0450.639
1855.52643.5880.639
注:1.括号内型号不推荐使用。



2.截面图中的r1=1/3d及表中r值的数据用于孔型设计,不做交货条件。
表    2热轧不等边角钢的允许偏差
角钢号数边宽Bb边厚d/mm长度/m角钢号数边宽B.b边厚d/mm长度/m
/mm/mm
2.5/1.6~5.6/3.6±O.8±0.44~1210/6.3~14/9±2.O±0.74~19
6.3/4~9/5.6土1.5土0.64~1216/10~20/12.5士2.5±1.O6~19