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| Steel Grating--Aluminium Grating: Series 240MM Bar Centres |
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| Material: stainless steel,carbon steel, brass , aluminum , titanium , nickel , Al-Mg alloy |
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| Special designs or sizes is also available at customers request. |
Aluminium Grating: Series 240MM Bar Centres |
Table 1a - Safe Loads and Deflections for Load Bars @ No. of bars
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Based on a Yield Stress of: 172MPa and design stress of: 115.24MPa. 26 per metre |
U: Safe Superimposed Uniformly Distributed Load (kPa)
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| C: Safe Superimposed Line Load (kN/m) |
D: Deflection due to superimposed Load - (mm) |
Main Bars mm |
Mass kg/sqm |
Self wt kPa |
Span mm |
Span for 5mm Defl @ 4kPa |
(1) |
150 |
300 |
450 |
600 |
750 |
900 |
1050 |
1200 |
1500 |
1800 |
20x3 |
5.51 |
0.054 |
U |
213.01 |
53.21 |
23.62 |
13.26 |
8.47 |
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For spans this side of the shaded area. consult your engineer
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760 |
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D |
0.39 |
1.55 |
3.48 |
6.18 |
9.64 |
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C |
15.98 |
7.98 |
5.31 |
3.98 |
3.18 |
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D |
0.31 |
1.24 |
2.79 |
4.94 |
7.71 |
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20x5 |
8.32 |
0.082 |
U |
355.03 |
88.70 |
39.38 |
22.11 |
14.12 |
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864 |
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D |
0.39 |
1.55 |
3.48 |
6.18 |
9.64 |
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C |
26.63 |
13.30 |
8.86 |
6.63 |
5.30 |
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D |
0.31 |
1.24 |
2.79 |
4.95 |
7.71 |
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25x3 |
6.56 |
0.064 |
U |
332.85 |
83.16 |
36.93 |
20.74 |
13.25 |
9.18 |
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899 |
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D |
0.31 |
1.24 |
2.79 |
4.95 |
7.72 |
11.09 |
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C |
24.96 |
12.47 |
8.31 |
6.22 |
4.97 |
4.13 |
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D |
0.25 |
0.99 |
2.23 |
3.96 |
6.18 |
8.87 |
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25x5 |
10.07 |
0.099 |
U |
554.76 |
138.62 |
61.55 |
34.58 |
22.10 |
15.31 |
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1021 |
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D |
0.31 |
1.24 |
2.79 |
4.95 |
7.72 |
11.10 |
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C |
41.61 |
20.79 |
13.85 |
10.37 |
8.29 |
6.89 |
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D |
0.25 |
0.99 |
2.23 |
3.96 |
6.18 |
8.88 |
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32x3 |
8.04 |
0.079 |
U |
545.37 |
136.28 |
60.53 |
34.01 |
21.74 |
15.07 |
11.05 |
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1082 |
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D |
0.24 |
0.97 |
2.18 |
3.87 |
6.04 |
8.68 |
11.79 |
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C |
40.90 |
20.44 |
13.62 |
10.20 |
8.15 |
6.78 |
5.80 |
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D |
0.19 |
0.78 |
1.74 |
3.10 |
4.83 |
6.95 |
9.44 |
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32x5 |
12.53 |
0.123 |
U |
908.96 |
227.15 |
100.89 |
56.69 |
36.24 |
25.13 |
18.43 |
14.08 |
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1229 |
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D |
0.24 |
0.97 |
2.18 |
3.87 |
6.04 |
8.68 |
11.80 |
15.38 |
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C |
68.17 |
34.07 |
22.70 |
17.01 |
13.59 |
11.31 |
9.68 |
8.45 |
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D |
0.19 |
0.78 |
1.74 |
3.10 |
4.83 |
6.95 |
9.44 |
12.30 |
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40x3 |
9.72 |
0.095 |
U |
852.17 |
212.97 |
94.60 |
53.17 |
34.00 |
23.58 |
17.30 |
13.22 |
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1279 |
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D |
0.19 |
0.78 |
1.74 |
3.10 |
4.83 |
6.95 |
9.45 |
12.32 |
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C |
63.91 |
31.95 |
21.29 |
15.95 |
12.75 |
10.61 |
9.08 |
7.93 |
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D |
0.16 |
0.62 |
1.39 |
2.48 |
3.87 |
5.56 |
7.56 |
9.86 |
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40x5 |
15.34 |
0.150 |
U |
1420.29 |
354.96 |
157.68 |
88.63 |
56.67 |
39.31 |
28.84 |
22.04 |
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1453 |
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D |
0.19 |
0.78 |
1.74 |
3.10 |
4.84 |
6.95 |
9.45 |
12.33 |
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C |
106.52 |
53.24 |
35.48 |
26.59 |
21.25 |
17.69 |
15.14 |
13.23 |
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D |
0.16 |
0.62 |
1.39 |
2.48 |
3.87 |
5.56 |
7.56 |
9.86 |
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50x5 |
18.85 |
0.185 |
U |
2219.25 |
554.67 |
246.42 |
138.53 |
88.59 |
61.47 |
45.11 |
34.49 |
22.01 |
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1718 |
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D |
0.16 |
0.62 |
1.40 |
2.48 |
3.87 |
5.57 |
7.57 |
9.88 |
15.39 |
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C |
168.44 |
83.20 |
55.44 |
41.56 |
33.22 |
27.66 |
23.68 |
20.70 |
16.51 |
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D |
0.12 |
0.50 |
1.12 |
1.98 |
3.10 |
4.45 |
6.06 |
7.90 |
12.31 |
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Arabic