Corus Structural Sections - Engineering Surveyor

n
Structural Sections to BS4: Part 1: 1993 and BS EN10056: 1999
N
Joists
Dimensions for detailing and surface areas to BS4: Part 1: 1993
D
t
d
C
Designation
Notch
Surface Area
Serial Size
End
Clearance
C
mm
N
mm
n
mm
per
metre
m 2
per
tonne
m 2
two end
faces
m 2
203 x 152 x 52
6
78
36
0.932
17.8
0.0133
152 x 127 x 37
7
66
30
0.737
19.8
0.0095
The Dimension N is equal to the outstand from web face edge +6mm, to the nearest 2mm above.
The Dimension n = D-d to the nearest 2mm above. The Dimension C = t/2 + 2mm to the nearest 1mm.
2
All joists subject to viable mount size. Please refer to Account Manager.
B
n
N
D
d
Parallel flange channels
Dimensions for detailing and surface areas to BS4: Part 1: 1993
t
C
Designation
Notch
Surface Area
Serial Size
End
Clearance
C
mm
N
mm
n
mm
per
metre
m 2
per
tonne
m 2
two end
faces
m 2
430 x 100 x 64
13
96
36
1.23
19.1
0.0164
380 x 100 x 54
12
98
34
1.13
20.9
0.0137
300 x 100 x 46
11
98
32
0.969
21.3
0.0116
300 x 90 x 41
11
88
28
0.932
22.5
0.0105
260 x 90 x 35
10
88
28
0.854
24.5
0.0089
260 x 75 x 28
9
74
26
0.796
28.8
0.0070
230 x 90 x 32
10
90
28
0.795
24.7
0.0082
230 x 75 x 26
9
76
26
0.737
28.7
0.0065
200 x 90 x 30
9
90
28
0.736
24.8
0.0076
200 x 75 x 23
8
76
26
0.678
29.0
0.0060
180 x 90 x 26
9
90
26
0.697
26.7
0.0066
180 x 75 x 20
8
76
24
0.638
31.4
0.0052
150 x 90 x 24
9
90
26
0.637
26.7
0.0061
150 x 75 x 18
8
76
24
0.579
32.3
0.0046
125 x 65 x 15
8
66
22
0.489
33.0
0.0038
100 x 50 x 10
7
52
18
0.382
37.5
0.0026
The Dimension N is equal to (B-t) + 6mm (rounded up to a multiple of 2mm). The Dimension n is equal to D-d (taken to the next higher multiple of 2mm)
2
The Dimension C is equal to t + 2mm (rounded up to the nearest mm)
Please consult with Corus for availability. See page 42/43.
Corus Construction & Industrial 27