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Properties C Shapes Standard GOST 8240-72
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Properties of Rolled-Steel C Channel Shapes, Standard GOST 8240-72
Notes: Axes x-x and y-y are principal centroidal axes. For axis y-y, the tabulated value of W is the smaller of the two sectional moduli for this axis.
h – height of a beam,
b – width of a flange,
s – thickness of a web,
t – average thickness of a flange,
I – moment of inertia,
W – sectional modulus,
i – radius of gyration,
STx– first moment of a half-section,
xo - distance from centeroid to the back of the web.
Designation (number) |
Dimensions, mm | Area cm2 |
Ix cm4 |
Wx cm3 |
|||
---|---|---|---|---|---|---|---|
h | b | s | t | ||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
5 | 50 | 32 | 4,4 | 7 | 6,16 | 22,8 | 9,1 |
6,5 | 65 | 36 | 4,4 | 7,2 | 7,51 | 48,6 | 15 |
8 | 80 | 40 | 4,5 | 7,4 | 8,98 | 89,4 | 22,4 |
10 | 100 | 46 | 4,5 | 7,6 | 10,9 | 174 | 34,8 |
12 | 120 | 52 | 4,8 | 7,8 | 13,3 | 304 | 50,6 |
14 | 140 | 58 | 4,9 | 8,1 | 15,6 | 491 | 70,2 |
14а | 140 | 62 | 4,9 | 8,7 | 17 | 545 | 77,8 |
16 | 160 | 64 | 5 | 8,4 | 18,1 | 747 | 93,4 |
16а | 160 | 68 | 5 | 9 | 19,5 | 823 | 103 |
18 | 180 | 70 | 5,1 | 8,7 | 20,7 | 1090 | 121 |
18а | 180 | 74 | 5,1 | 9,3 | 22,2 | 1190 | 132 |
20 | 200 | 76 | 5,2 | 9 | 23,4 | 1520 | 152 |
20а | 200 | 80 | 5,2 | 9,7 | 25,2 | 1670 | 167 |
22 | 220 | 82 | 5,4 | 9,5 | 26,7 | 2110 | 192 |
22а | 220 | 87 | 5,4 | 10,2 | 28,8 | 2330 | 212 |
24 | 240 | 90 | 5,6 | 10 | 30,6 | 2900 | 242 |
24а | 240 | 95 | 5,6 | 10,7 | 32,9 | 3180 | 265 |
27 | 270 | 95 | 6 | 10,5 | 35,2 | 4160 | 308 |
30 | 300 | 100 | 6,5 | 11 | 40,5 | 5810 | 387 |
33 | 330 | 105 | 7 | 11,7 | 46,5 | 7980 | 484 |
36 | 360 | 110 | 7,5 | 12,6 | 53,4 | 10820 | 601 |
40 | 400 | 115 | 8 | 13,5 | 61,5 | 15220 | 761 |
Designation (number) |
ix сm |
STx cm3 |
Iy cm4 |
Wy cm3 |
iy сm |
x0 сm |
---|---|---|---|---|---|---|
1 | 9 | 10 | 11 | 12 | 13 | 14 |
5 | 1,92 | 5,59 | 5,61 | 2,75 | 0,954 | 1,16 |
6,5 | 2,54 | 9 | 8,7 | 3,68 | 1,08 | 1,24 |
8 | 3,16 | 13,3 | 12,8 | 4,75 | 1,19 | 1,31 |
10 | 3,99 | 20,4 | 20,4 | 6,46 | 1,37 | 1,44 |
12 | 4,78 | 29,6 | 31,2 | 8,52 | 1,53 | 1,54 |
14 | 5,6 | 40,8 | 45,4 | 11 | 1,7 | 1,67 |
14а | 5,66 | 45,1 | 57,5 | 13,3 | 1,84 | 1,87 |
16 | 6,42 | 54,1 | 63,3 | 13,8 | 1,87 | 1,8 |
16а | 6,49 | 59,4 | 78,8 | 16,4 | 2,01 | 2 |
18 | 7,24 | 69,8 | 86 | 17 | 2,04 | 1,94 |
18а | 7,32 | 76,1 | 105 | 20 | 2,18 | 2,13 |
20 | 8,07 | 87,8 | 113 | 20,5 | 2,2 | 2,07 |
20а | 8,15 | 95,9 | 139 | 24,2 | 2,35 | 2,28 |
22 | 8,89 | 110 | 151 | 25,1 | 2,37 | 2,21 |
22а | 8,99 | 121 | 187 | 30 | 2,55 | 2,46 |
24 | 9,73 | 139 | 208 | 31,6 | 2,6 | 2,42 |
24а | 9,84 | 151 | 254 | 37,2 | 2,78 | 2,67 |
27 | 10,9 | 178 | 262 | 37,3 | 2,73 | 2,47 |
30 | 12 | 224 | 327 | 43,6 | 2,84 | 2,52 |
33 | 13,1 | 281 | 410 | 51,8 | 2,97 | 2,59 |
36 | 14,2 | 350 | 513 | 61,7 | 3,1 | 2,68 |
40 | 15,7 | 444 | 642 | 73,4 | 3,26 | 2,75 |
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