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Round Hollow Section
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Steel Tubes for Structural Purpose Conforming To
BS:1387
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| N.B. and
Series |
Outside
diameter |
Thickness
|
Nominal weight Black
Tubes Plain End |
Calculated Nominal
weight Galvanised Tubes Plain End |
| |
mm |
mm |
kg/m |
m/tonne |
kg/m |
m/tonne
|
15 L
M
H |
21.3 |
2.00
2.65
3.25 |
0.96
1.22
1.45 |
1042
820
690 |
1.00
1.27
1.50 |
1000
787
667 |
20 L
M
H
|
26.9 |
2.35
2.65
3.25 |
1.42
1.58
1.90 |
704
633
526 |
1.47
1.64
1.96 |
680
610
510 |
25 L
M
H |
33.7 |
2.65
3.25
4.05 |
2.04
2.46
2.99 |
490
407
259 |
2.09
2.52
3.94 |
478
397
254 |
32
L
M
H |
42.4 |
2.65
3.25
4.05 |
2.61
3.15
3.86 |
383
317
259 |
2.69
3.24
3.94 |
372
309
254 |
40
L
M
H |
48.3 |
2.90
3.25
4.05 |
3.27
3.61
4.43 |
306
277
226 |
3.37
3.73
4.55 |
297
268
220 |
50
L
M
H |
60.3 |
2.90
3.25
3.65
4.50 |
4.14
4.57
5.10
6.17 |
242
219
196
126 |
4.26
4.71
5.25
8.09 |
235
212
190
124 |
65
L
M
H
|
76.1 |
3.25
3.65
4.50
|
5.84
6.53
7.92 |
171
153
126 |
5.99
6.70
8.09 |
167
149
124 |
80
L
M
H |
88.9 |
3.25
4.05
4.85 |
6.86
8.48
10.10 |
146
118
99 |
7.04
8.70
10.32 |
142
115
97 |
90
L
M
H |
101.6 |
3.65
4.05
4.85 |
8.82
9.75
11.60 |
113
103
86 |
9.09
10.03
11.87
|
110
100
84 |
100 L
M
H |
114.3 |
3.65
4.50
5.40 |
9.97
12.10
14.50 |
100
83
69 |
10.18
12.39
14.69 |
98
81
68 |
110
L
M
H |
127.0 |
4.50
4.85
5.40 |
13.6
14.6
16.2
|
74
68
62 |
13.9
14.90
16.5 |
72
67
61 |
125
L
M
H |
139.7 |
4.50
4.85
5.40 |
14.9
16.2
17.9 |
67
62
56 |
15.24
16.56
18.16 |
66
60
65 |
135
L
M
H |
152.4 |
4.50
4.85
5.40 |
16.4
17.7
19.5 |
61
57
51 |
16.77
18.07
19.87 |
60
55
50 |
150 L
M
H |
165.1 |
4.50
4.85
5.40 |
17.8
19.2
21.2 |
56
52
47 |
18.20
19.63
21.62 |
55
51
46 |
150
L
M
H |
168.3 |
4.50
4.85
5.40
6.30
|
18.1
19.6
21.7
25.3
|
55
51
46
40 |
18.50
20.00
22.10
25.7 |
54
50
45
39
|
175 L
M
H |
193.7 |
4.85
5.40
5.90 |
22.60
25.00
27.30
|
44
40
37 |
23.13
25.53
27.83 |
43
39
36 |
200 L
M
H |
219.1 |
4.85
5.60
5.90 |
25.7
29.4
31.0 |
39
34
32 |
26.24
29.94
31.54 |
38
33
32 |
| 250 H |
273.0 |
5.90 |
38.8 |
26 |
39.56 |
25 |
| 300 H |
323.9 |
6.3 |
49.5 |
20 |
50.40 |
20 |
| 350 H |
355.6 |
8.00 |
68.6 |
14.50 |
69.58 |
14 |
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Note: For tube sizes upto and including 25 mm NB, elongation of 12%shall be permissible.
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Square
Tubes | Rectangulars Tubes | Round
Tubes
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Black
Galvanised Pipes to BS Standard | Pipes
for Furniture & Automobile |
HR Sheets for fabrication of Equipments /
Structurals |
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