Parallel Flange Channels

Dimensions and properties to BS 4: Part 1: 1993

Designation

Radius of Gyration

Elastic Modulus

Plastic Modulus

Buckling
Parameter
u

Torsional
Index
x

Warping
Constant
H
dm6

Torsional
Constant
J
cm4

Serial Size

Mass
per
metre
kg/m

Area
of
Section
cm2

Axis
x-x
cm

Axis
y-y
cm

Axis
x-x
cm3

Axis
y-y
cm3

Axis
x-x
cm3

Axis
y-y
cm3

430x100x64

64.40

82.1

16.3

2.97

1020

97.9

1222

176

0.917

22.5

0.219

63.0

380x100x54

54.00

68.7

14.8

3.06

791

89.2

933

161

0.932

21.2

0.150

45.7

300x100x46

45.50

58.0

11.9

3.13

549

81.7

641

148

0.944

17.0

0.0813

36.8

300x90x41

41.40

52.7

11.7

2.77

481

63.1

568

114

0.934

18.4

0.0581

28.8

260x90x35

34.80

44.4

10.3

2.82

364

56.3

425

102

0.942

17.2

0.0379

20.6

260x75x28

27.60

35.1

10.1

2.30

278

34.4

328

62.0

0.932

20.5

0.0203

11.7

230x90x32

32.20

41.0

9.27

2.86

306

55.0

355

98.9

0.950

15.1

0.0279

19.3

230x75x26

25.70

32.7

9.17

2.35

239

34.8

278

63.2

0.947

17.3

0.0153

11.8

200x90x30

29.70

37.9

8.16

2.88

252

53.4

291

94.5

0.954

12.9

0.0197

18.3

200x75x23

23.40

29.9

8.11

2.39

196

33.8

227

60.6

0.956

14.8

0.0107

11.1

180x90x26

26.10

33.2

7.40

2.89

202

47.4

232

83.5

0.949

12.8

0.0141

13.3

180x75x20

20.30

25.9

7.27

2.38

152

28.8

176

51.8

0.946

15.3

0.0075

7.34

150x90x24

23.90

30.4

6.18

2.89

155

44.4

179

76.9

0.936

10.8

0.0089

11.8

150x75x18

17.90

22.8

6.15

2.40

115

26.6

132

47.2

0.946

13.1

0.0047

6.10

125x65x15

14.80

18.8

5.07

2.06

77.3

18.8

89.9

33.2

0.942

11.1

0.0019

4.72

100x50x10

10.20

13.0

4.00

1.58

41.5

9.89

48.9

17.5

0.942

10.0

0.0005

2.53