热轧等边角钢的尺寸规格 ( 摘自 GB / T9787 — 1988 )

b
—边宽;
d
—边厚;
r
—内圆弧半径;
r1
—边端内弧半径;
(
)
;
r2 —边端外弧半径; I —惯性矩; i —惯性半径; W —截面系数; Z0 —重心距离
(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 |
参 考 数 值 |
Z0 / cm |
|||||||||||
X - X |
X0 - X0 |
Y0 - Y0 |
X1 - X1 |
||||||||||||||
|
b |
d |
r |
Ix/ cm4 |
ix/ cm |
Wx/ cm3 |
Ix0/ cm4 |
ix/ cm |
Wx0/ cm |
I Y 0/ cm |
iY 0/ cm |
W Y 1/ cm3 |
I x1/ cm4 |
|||||
|
2 |
20 |
3 |
3 . 5 |
1 . 132 |
0 . 889 |
0 . 078 |
0 . 40 |
0 . 59 |
0 . 29 |
0 . 63 |
0 . 75 |
0 . 45 |
0 . 17 |
0 . 39 |
0 . 20 |
0 . 81 |
0 . 60 |
|
4 |
3 . 5 |
1 . 459 |
1 . 145 |
0 . 077 |
0 . 50 |
0 . 58 |
0 . 36 |
0 . 78 |
0 . 73 |
0 . 55 |
0 . 22 |
0 . 38 |
0 . 24 |
1 . 09 |
0 . 64 |
||
|
2 . 5 |
25 |
3 |
3 . 5 |
1 . 432 |
1 . 124 |
0 . 098 |
0 . 82 |
0 . 76 |
0 . 46 |
1 . 29 |
0 . 95 |
0 . 73 |
0 . 34 |
0 . 49 |
0 . 33 |
1 . 57 |
0 . 73 |
|
4 |
3 . 5 |
1 . 859 |
1 . 459 |
0 . 097 |
1 . 03 |
0 . 74 |
0 . 59 |
1 . 62 |
0 . 93 |
0 . 92 |
0 . 43 |
0 . 48 |
0 . 40 |
2 . 11 |
0 . 76 |
||
|
3 . 0 |
30 |
3 |
4 . 5 |
1 . 749 |
1 . 373 |
0 . 117 |
1 . 46 |
0 . 91 |
0 . 68 |
2 . 31 |
1 . 15 |
1 . 09 |
0 . 61 |
0 . 59 |
0 . 51 |
2 . 71 |
0 . 85 |
|
4 |
4 . 5 |
2 . 276 |
1 . 786 |
0 . 117 |
1 . 84 |
0 . 90 |
0 . 87 |
2 . 92 |
1 . 13 |
1 . 37 |
0 . 77 |
0 . 58 |
0 . 62 |
2 . 63 |
0 . 89 |
||
|
3 . 6 |
36 |
3 |
4 . 5 |
2 . 109 |
1 . 656 |
0 . 141 |
2 . 58 |
1 . 11 |
0 . 99 |
4 . 09 |
1 . 39 |
1 . 61 |
1 . 07 |
0 . 71 |
0 . 76 |
4 . 68 |
1 . 00 |
|
4 |
4 . 5 |
2 . 756 |
2 . 163 |
0 . 141 |
3 . 29 |
1 . 09 |
1 . 28 |
5 . 22 |
1 . 38 |
2 . 05 |
1 . 37 |
0 . 70 |
0 . 93 |
6 . 25 |
1 . 04 |
||
|
5 |
4 . 5 |
3 . 382 |
2 . 654 |
0 . 141 |
3 . 95 |
1 . 08 |
1 . 56 |
6 . 24 |
1 . 36 |
2 . 45 |
1 . 65 |
0 . 70 |
1 . 09 |
7 . 84 |
1 . 07 |
||
|
4 |
40 |
3 |
5 |
2 . 359 |
1 . 852 |
0 . 157 |
3 . 59 |
1 . 23 |
1 . 23 |
5 . 69 |
1 . 55 |
2 . 01 |
1 . 49 |
0 . 79 |
0 . 96 |
6 . 41 |
1 . 09 |
|
4 |
5 |
3 . 086 |
2 . 422 |
0 . 157 |
4 . 60 |
1 . 22 |
1 . 60 |
7 . 29 |
1 . 54 |
2 . 58 |
1 . 91 |
0 . 79 |
1 . 19 |
8 . 56 |
1 . 13 |
||
|
5 |
5 |
3 . 791 |
2 . 976 |
0 . 156 |
5 . 53 |
1 . 21 |
1 . 96 |
8 . 76 |
1 . 52 |
3 . 10 |
2 . 30 |
0 . 78 |
1 . 39 |
10 . 74 |
1 . 17 |
||
|
4 . 5 |
45 |
3 |
5 |
2 . 659 |
2 . 088 |
0 . 177 |
5 . 17 |
1 . 40 |
1 . 58 |
8 . 20 |
1 . 76 |
2 . 58 |
2 . 14 |
0 . 90 |
1 . 24 |
9 . 12 |
1 . 22 |
|
4 |
5 |
3 . 486 |
2 . 736 |
0 . 177 |
6 . 65 |
1 . 38 |
2 . 05 |
10 . 56 |
1 . 74 |
3 . 32 |
2 . 75 |
0 . 89 |
1 . 54 |
12 . 18 |
1 . 26 |
||
|
5 |
5 |
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