specification of U Channel

size

high(mm)

tolerance

breadth(mm)

tolerance

thickness(mm)

tolerance

W (kg/m)

5#

50

±1.5

37

±1.5

4.5

±0.4

5.438

6.3#

63

±1.5

40

±1.5

4.8

±0.4

6.634

8#

80

±1.5

43

±1.5

5

±0.4

8.045

10#

100

±2.0

48

±2.0

5.3

±0.5

10.007

12#

120

±2.0

53

±2.0

5.5

±0.5

12.059

14A#

140

±2.0

58

±2.0

6

±0.5

14.535

14B#

140

±2.0

60

±2.0

8

±0.5

16.733

16A#

160

±2.0

63

±2.5

6.5

±0.6

17.24

16B#

160

±2.0

65

±2.5

8.5

±0.6

19.752

18A#

180

±2.0

68

±2.5

7

±0.6

20.147

18B#

180

±2.0

70

±2.5

9

±0.6

23

20A#

200

±3.0

73

±3.0

7

±0.7

22.637

20B#

200

±3.0

75

±3.0

9

±0.7

25.777

22A#

220

±3.2

77

±3.0

7

±0.7

24.999

22B#

220

±3.0

79

±3.0

9

±0.7

28.453

25A#

250

±3.0

78

±3.0

7

±0.7

27.41

25B#

250

±3.0

80

±3.0

9

±0.7

31.335

28A#

280

±3.0

82

±3.0

7.5

±0.7

31.427

28B#

280

±3.0

84

±3.0

9.5

±0.7

35.823

30A#

300

±3.0

85

±3.0

7.5

±0.7

34.463

30B#

300

±3.0

87

±3.0

9.5

±0.7

39.173

32A#

320

±3.0

88

±3.5

8

±0.8

38.083