Parallel Flange Channels

Dimensions and properties to BS 4: Part 1: 1993

S275JR & S355JR

Parallel FLange ChannelsParallel Flange Channels

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Designation

 

 

 

 

 

 

Root
Radius
r
mm

Depth between
fillets
d
mm

Ratios for
Local Buckling

Second Moment
of Area

 

 

 

 

 

 

Distance
Of
Cy

cm

Serial Size

Mass
per
metre
kg/m

Depth of
Section
D
mm

Width of
Section
B
mm

Thickness
of Web
t
mm

Thickness
of Flange
T
mm

Flange
B/T

Web
d/t

Axis
x-x
cm4

Axis
y-y
cm4

430x100x64

64.40

430

100

11.0

19.00

2.62

15

362.0

5.26

32.9

21940

722

380x100x54

54.00

380

100

9.50

17.50

2.79

15

315.0

5.71

33.2

15030

643

300x100x46

45.50

300

100

9.00

16.50

3.05

15

237.0

6.06

26.3

8229

568

300x90x41

41.40

300

90

9.00

15.50

2.60

12

245.0

5.81

27.2

7218

404

260x90x35

34.80

260

90

8.00

14.00

2.74

12

208.0

6.43

26.0

4728

353

260x75x28

27.60

260

75

7.00

12.00

2.10

12

212.0

6.25

30.3

3619

185

230x90x32

32.20

230

90

7.50

14.00

2.92

12

178.0

6.43

23.7

3518

334

230x75x26

25.70

230

75

6.50

12.50

2.30

12

181.0

6.00

27.8

2748

181

200x90x30

29.70

200

90

7.00

14.00

3.12

12

148.0

6.43

21.1

2523

314

200x75x23

23.40

200

75

6.00

12.50

2.48

12

151.0

6.00

25.2

1963

170

180x90x26

26.10

180

90

6.50

12.50

3.17

12

131.0

7.20

20.2

1817

277

180x75x20

20.30

180

75

6.00

10.50

2.41

12

135.0

7.14

22.5

1370

146

150x90x24

23.90

150

90

6.50

12.00

3.30

12

102.0

7.50

15.7

1162

253

150x75x18

17.90

150

75

5.50

10.00

2.58

12

106.0

7.50

19.3

861

131

125x65x15

14.80

125

65

5.50

9.50

2.25

12

82.0

6.84

14.9

483

80.0

100x50x10

10.20

100

50

5.00

8.50

1.73

9

65.0

5.88

13.0

208

32.3



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