热轧不等边角钢的尺寸规格 ( 摘自 GB / T9788 — 1988 )

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
(表一)
|
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 |
||||||||||||||||
X - X |
Y - Y |
X1 - X1 |
Y1 - Y1 |
u - u |
|||||||||||||||||
|
B |
b |
d |
r |
Ix/ cm4 |
ix/ cm |
Wx/ cm3 |
IY / cm4 |
iY / cm |
WY / cm3 |
Ix1/ cm4 |
Y0 / cm |
IY0 / cm4 |
X0 / cm |
Iu/ cm4 |
iu / cm |
Wu / cm3 |
tan α |
||||
|
2 . 5 / 1 . 6 |
25 |
16 |
3 |
3 . 5 |
1 . 162 |
0 . 912 |
0 . 080 |
0 . 70 |
0 . 78 |
0 . 43 |
0 . 22 |
0 . 44 |
0 . 19 |
1 . 56 |
0 . 86 |
0 . 43 |
0 . 42 |
0 . 14 |
0 . 34 |
0 . 16 |
0 . 392 |
|
4 |
3 . 5 |
1 . 499 |
1 . 176 |
0 . 079 |
0 . 88 |
0 . 77 |
0 . 55 |
0 . 27 |
0 . 43 |
0 . 24 |
2 . 09 |
0 . 90 |
0 . 59 |
0 . 46 |
0 . 17 |
0 . 34 |
0 . 20 |
0 . 381 |
|||
|
3 . 2 / 2 |
32 |
20 |
3 |
3 . 5 |
1 . 492 |
1 . 171 |
0 . 102 |
1 . 53 |
1 . 01 |
0 . 72 |
0 . 46 |
0 . 55 |
0 . 30 |
3 . 27 |
1 . 08 |
0 . 82 |
0 . 49 |
0 . 28 |
0 . 43 |
0 . 25 |
0 . 382 |
|
4 |
3 . 5 |
1 . 939 |
1 . 522 |
0 . 101 |
1 . 93 |
1 . 00 |
0 . 93 |
0 . 57 |
0 . 54 |
0 . 39 |
4 . 37 |
1 . 12 |
1 . 12 |
0 . 53 |
0 . 35 |
0 . 42 |
0 . 32 |
0 . 374 |
|||
|
4 / 2 . 5 |
40 |
25 |
3 |
4 |
1 . 890 |
1 . 484 |
0 . 127 |
3 . 08 |
1 . 28 |
1 . 15 |
0 . 93 |
0 . 70 |
0 . 49 |
6 . 39 |
1 . 32 |
1 . 59 |
0 . 59 |
0 . 56 |
0 . 54 |
0 . 40 |
0 . 386 |
|
4 |
4 |
2 . 467 |
1 . 936 |
0 . 127 |
3 . 93 |
1 . 26 |
1 . 49 |
1 . 18 |
0 . 69 |
0 . 63 |
8 . 53 |
1 . 37 |
2 . 14 |
0 . 63 |
0 . 71 |
0 . 54 |
0 . 52 |
0 . 381 |
|||
|
4 . 5 / 2 . 8 |
45 |
28 |
3 |
5 |
2 . 149 |
1 . 687 |
0 . 143 |
4 . 45 |
1 . 44 |
1 . 47 |
1 . 34 |
0 . 79 |
0 . 62 |
9 . 10 |
1 . 47 |
2 . 23 |
0 . 64 |
0 . 80 |
0 . 61 |
0 . 51 |
0 . 383 |
|
4 |
5 |
2 . 806 |
2 . 203 |
0 . 143 |
5 . 69 |
1 . 42 |
1 . 91 |
1 . 70 |
0 . 78 |
0 . 80 |
12 . 13 |
1 . 51 |
3 . 00 |
0 . 68 |
1 . 02 |
0 . 60 |
0 . 66 |
0 . 380 |
|||
|
5 / 3 . 2 |
50 |
32 |
3 |
5 . 5 |
2 . 431 |
1 . 908 |
0 . 161 |
6 . 24 |
1 . 60 |
1 . 84 |
2 . 02 |
0 . 91 |
0 . 82 |
12 . 49 |
1 . 60 |
3 . 31 |
0 . 73 |
1 . 20 |
0 . 70 |
0 . 68 |
0 . 404 |
|
4 |
5 . 5 |
3 . 177 |
2 . 494 |
0 . 160 |
8 . 02 |
1 . 59 |
2 . 39 |
2 . 58 |
0 . 90 |
1 . 06 |
16 . 65 |
1 . 65 |
4 . 45 |
0 . 77 |
1 . 53 |
0 . 69 |
0 . 87 |
0 . 402 |
|||
|
5 . 6 / 3 . 6 |
56 |
36 |
3 |
6 |
2 . 743 |
2 . 153 |
0 . 181 |
8 . 88 |
1 . 80 |
2 . 32 |
2 . 92 |
1 . 03 |
1 . 05 |
17 . 54 |
1 . 78 |
4 . 70 |
0 . 80 |
1 . 73 |
0 . 79 |
0 . 87 |
0 . 408 |
|
4 |
6 |
3 . 590 |
2 . 818 |
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