
热轧普通槽钢尺寸规格(摘自GB/T707—1988)
(表一) (表二)
型号
尺寸/mm截面
面积
/cm2
理论
重量
/kg·m-1
X-X
h b d t r r1
W x
/cm3
I x
/cm4
i
/c
550374.57.07.03.506.9285.43810.426.01.
6.363404.8
7.57.53.75
8.4516.63416.150.82. 880435.08.08.04.010.2488.04525.31013. 10100485.38.58.54.2512.74810.0073
9.71983.
12.6126535.59.09.04.515.69212.31862.13914. 14a140586.09.59.54.7518.51614.53580.55645. 14b140608.09.59.54.7521.31616.73387.16095. 16a160636.510.010.05.021.96217.2401088666. 16160658.510.010.05.025.16219.7521179356. 18a180687.010.510.55.2525.69920.17414112707. 18180709.010.510.55.2529.29923.00015213706. 20a200737.011.011.05.528.83722.63717817807. 20200759.011.011.05.532.83125.77719119107. 22a220777.011.511.55.7531.84624.99921823908. 22220799.011.511.55.7536.24628.45323425708. 25a250787.01212634.91727.41027033709. 25b250809.01212639.91731.33528235309. 25c2508211.01212644.91735.26029536909. 28a280827.512.512.56.2540.03431.427340476010 28b280849.512.512.56.2545.63435.823366513010 28c2808611.512.512.56.2551.23440.219393550010
型号
尺寸/mm截面
面积
/cm2
理论
重量
/kg·m-1
X-X h b d t r r1
W x
/cm3
I x
/
cm4
32a320888.01414748.51338.0834757600 32b3209010.01414754.91343.1075098140 32c3209212.01414761.31348.1315438690 36a360969.01616860.91041.81466011900 36b3609811.01616868.11053.46670312700 36c36010013.01616875.31059.92874613400 40a40010010.51818975.06858.92887917600 40b40010212.51818983.06865.20893218600 40c40010414.51818991.06871.48898619700 6.565404.37.57.53.758.5476.70917.055.2 12120535.59.09.04.515.36212.05957.7346 24a240787.012.012.06.034.21726.862543050 24b240809.012.012.06.039.01730.6282743280 24c2408211.012.012.06.043.81734.3962933570 27a270827.512.512.56.2539.28430.8383234360 27b270849.512.512.56.2544.68435.0773474690.1 27c2708611.512.512.56.2550.08439.3163725018.1 30a300857.513.513.56.7543.90234.4634036047.9 30b300879.513.513.56.7549.90239.1734336447.9 30c3008911.513.513.56.7555.90243.8334636947.9
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惯性矩/cm^4惯性半径
/cm
截面模数
cm^3
扭转常数
边长H/m m
边长
B/mm
允许
偏差
/mm
壁厚
t/m
m
理论重量
M/(kg/m
)
截面面积
A/cm^2
Ix Iy rx ry Wx Wy It/cm^4
Ct/cm^
3
30 20 ±0.5
1.5 1.06 1.35 1.590.84 1.08
0.78
8
1.060.84 1.83 1.4
1.75 1.22 1.55 1.770.93 1.07
0.77
7
1.180.93
2.07 1.56
2 1.36 1.74 1.94 1.02 1.06
0.76
5
1.29 1.02
2.29 1.71
2.5 1.64 2.09 2.21 1.15 1.03
0.74
2
1.47 1.15
2.68 1.95
40 20 ±0.5
1.5 1.3 1.65 3.27 1.1 1.41
0.81
5
1.63 1.1
2.74 1.91
外圆弧半径/mm
厚度
t/m
m
碳素钢
(σs≤320MPa
)
低合金钢
(σs≥320MPa
)
— FGXR
t≤3 1.0~2.5t 1.5~2.5t
3<
t≤6
1.5~
2.5t 2.0~
3.0t
6<
t≤10
2.0~
3.0t 2.0~3.5t
t>10 2.0~3.5t 2.5~4.0t
1.75 1.49 1.9 3.68 1.23 1.390.80
4
1.84 1.23 3.11
2.14
2 1.68 2.14 4.05 1.34 1.380.79
3
2.02 1.34
3.45 2.36
2.5 2.03 2.59 4.69 1.54 1.350.77 2.35 1.54 4.06 2.72
3 2.36 3.01 5.21 1.68 1.320.74
8
2.6 1.68 4.57 3
40 25 ±0.5
1.5 1.41 1.8 3.82 1.84 1.46 1.01 1.91 1.47 4.06
2.46
1.75 1.63
2.07 4.32 2.07 1.44
0.99
9
2.16 1.66 4.63 2.76
2 1.8
3 2.3
4 4.77 2.28 1.43
0.98
8
2.39 1.82 5.17
3.07
2.5 2.23 2.84 5.57 2.64 1.4
0.96
5
2.79 2.11 6.15
3.59
3 2.6 3.31 6.2
4 2.94 1.37
0.94
2
3.12 2.357
4.01
40 30 ±0.5
1.5 1.53 1.95 4.38
2.81 1.5
1.19
9
2.19 1.87 5.52
3.02
1.75 1.77
2.25 4.96
3.17 1.48
1.18
7
2.48 2.11 6.31
3.42
2 1.99 2.54 5.49 3.51 1.47
1.17
6
2.75 2.347.07
3.79
2.5 2.42
3.09 6.45
4.1 1.45
1.15
3
3.23 2.748.47
4.46
3 2.83 3.61 7.27 4.6 1.42
1.12
9
3.63 3.079.72 5.03
50 25 ±0.5
1.5 1.65
2.1 6.65 2.25 1.78 1.04 2.66 1.8 5.52
3.41
1.75 1.9
2.42 7.55 2.54 1.76
1.02
4
3.02 2.03 6.32 3.54
50 30 ±0.5
2 2.15 2.74 8.38 2.81 1.75 1.01 3.35 2.257.06 3.92 定尺精度
级别
长度范围
/mm
允许偏差
/mm 普通级
别
4000~
12000
(+70,0) 精确级别4000~6000(+5,0) 精确级别
>6000~
12000
(+10,0)
3
2.5 2.62 2.34 9.89
3.28 1.720.99
1
3.95 2.628.43
4.6
3 3.07 3.91 11.17 3.67 1.690.96
9
4.47 2.939.64
5.18
1.5 1.767
2.2527.535
3.4151.82
9
1.23
1
3.01
4
2.2767.587
3.83
1.75
2.039 2.5988.566
3.8681.81
5
1.22
3.42
6
2.5798.682 4.35
2 2.305 2.9369.535 4.2911.80
1
1.20
8
3.81
4
2.8619.727 4.84
2.5 2.817
3.58911.296 5.051.77
4
1.18
6
4.51
8
3.36611.666 5.72
3 3.303 4.20612.827 5.6961.74
5
1.16
3
5.13 3.79713.401
6.49
4 4.198 5.34715.239 6.6821.68
8
1.11
7
6.09
5
4.45516.2447.77
50 40 ±0.5
1.5
2.003 2.5529.3 6.602
1.90
8
1.60
8
3.72 3.30112.238 5.24
1.75
2.314 2.94810.6037.518
1.89
6
1.59
6
4.24
1
3.7591
4.059
5.97
2 2.619 3.33611.848.348
1.88
3
1.58
5
4.73
6
4.1921
5.817
6.673
2.5
3.21
4.08914.1219.976
1.85
8
1.56
2
5.64
8
4.98819.2227.965
3 3.775 4.80816.149
11.38
2
1.83
3
1.53
9
6.46 5.69122.3369.123
4 4.826 6.14819.493
13.67
7
1.78
1
1.49
2
7.79
7
6.8392
7.82 11.06
55 25 ±0.5
1.5 1.767
2.2528.453 2.46 1.93 1.04
3.07 1.968 6.273 3.458
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