Steel Tubes For Structural and Scaffolding
(Size Range 15 NB to 250 NB)
N.B. and Series
Outside Dia
Thickness
Nominal Weight
Black Tubes Plain End
Calculated
Nominal Weight
Galvd. Tubes Plain End
(mm)
(mm)
(mm)
(kg/m)
(m/Tn)
(kg/m)
(m/Tn)

15 L
M
H

21.3

2.00
2.60
3.20

0.947
1.21
1.44

1056
826
694

0.990
1.26
1.49

1003
794
671

20 L
M
H

26.9

2.30
2.60
3.20

1.38
1.56
1.87

725
641
535

1.44
1.62
1.93

694
617
518

25 L
M
H

33.7

2.60
3.20
4.00

1.98
2.41
2.93

505
415
341

2.05
2.48
3.00

488
403
333

32 L
M
H

42.4

2.60
3.20
4.00

2.54
3.10
3.79

394
323
264

2.64
3.20
3.88

379
313
258

40 L
M
H

48.3

2.90
3.20
4.00

3.23
3.56
4.37

310
281
229

3.34
3.67
4.48

299
272
223

50 L
M
H

60.3

2.90
3.60
4.50

4.08
5.03
6.19

245
199
162

4.22
5.17
6.33

237
193
158

65 L
M
H

76.1

3.20
3.60
4.50

5.71
6.42
7.93

175
156
126

5.89
6.60
8.11

170
152
123

80 L
M
H

88.9

3.20
4.00
4.80

6.72
8.36
9.90

149
120
101

6.93
8.57
10.10

144
117
99

90 L
M
H

101.6

3.60
4.00
4.80

8.70
9.63
11.50

115
104
87

8.94
9.87
11.74

112
101
85

100 L
M
H

114.3

3.60
4.50
5.40

9.75
12.20
14.50

103
82
69

10.02
12.47
14.77

100
80
68

110 L
M
H

127.0

4.50
4.80
5.40

13.60
14.50
16.20

74
69
62

13.90
14.80
16.50

72
68
61

125 L
M
H

139.7

4.50
4.80
5.40

15.00
15.90
17.90

67
63
56

15.33
16.23
18.23

65
62
55

135 L
M
H

152.4

4.50
4.80
5.40

16.40
17.50
19.60

61
56
51

16.76
17.86
19.96

60
56
50

150 L
M
H

165.1

4.50
4.80
5.40

17.80
18.90
21.30

56
53
47

18.20
19.29
21.69

55
52
46

150 L
M
H

168.3

4.50
4.80
5.40
6.30

18.20
19.40
21.70
25.20

55
52
46
40

18.60
19.80
22.10
25.60

54
51
45
39

175 L
M
H

193.7

4.80
5.40
5.90

22.40
25.10
27.30

45
40
37

22.86
25.56
27.76

44
39
36

200 L
M
H
219.1

4.80
5.60
5.90

25.40
29.50
31.00
39
34
32
25.93
30.03
31.52
39
33
32

250 H

273.0

5.90

38.90

26

39.56

25

 

Tolerance
A. Thickness + Not Ltd. /- 10%
B. Weight (Single Tube)  
Light Tubes +10 percent / -8 percent
Medium and Heavy Tubes ±10 percent
C. For quantities per load of 10MT  
Light Tubes ±5 percent
For Medium & Heavy Series ±7.5 percent
D. Length 4 to 7 metres

 

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