N.B.
and Series |
Outside
Diameter |
Wall
Thickness |
Nominal
Weight Black Tubes |
Nominal
Weight
Galvanised Tubes |
Sockets
|
| Plain
End |
Screwed
& Socketed |
Plain
End |
Screwed
& Socketed |
Min.
OD |
Max.
Length |
| mm
|
Min.
mm |
Max.
mm |
mm |
Kg/m |
m/
tonne |
Kg/m |
m/
tonne |
Kg/m |
m/
tonne |
Kg/m |
m/
tonne |
mm |
mm |
15 L
M
H |
21.0
21.0
21.0 |
21.4
21.8
21.8 |
2.00
2.60
3.20 |
0.947
1.21
1.44 |
1056
826
694 |
0.956
1.22
1.45 |
1046
819
689 |
0.947
1.21
1.44 |
1056
826
694 |
0.956
1.22
1.45 |
1046
819
689 |
27.0 |
37.0 |
20 L
M
H |
26.4
26.5
26.5 |
26.9
27.3
27.3 |
2.30
2.60
3.20 |
1.38
1.56
1.87 |
724
641
534 |
1.39
1.57
1.88 |
719
637
532 |
1.38
1.56
1.87 |
724
641
534 |
1.39
1.57
1.88 |
719
637
532 |
32.5 |
39.0 |
25 L
M
H |
33.2
33.3
33.3 |
33.8
34.2
34.2 |
2.60
3.20
4.00 |
1.98
2.41
2.93 |
505
415
341 |
2.0
2.43
2.95 |
500
411
339 |
1.98
2.41
2.93 |
505
415
341 |
2.0
2.43
2.95 |
500
411
339 |
39.5 |
46.0 |
32 L
M
M |
41.9
42.0
42.0 |
42.5
42.9
42.9 |
2.60
3.20
4.00 |
2.54
3.10
3.79 |
393
322
264 |
2.57
3.13
3.82 |
389
319
261 |
2.54
3.10
3.79 |
393
322
264 |
2.57
3.13
3.82 |
389
319
261 |
49.0 |
51.0 |
40 L
M
H |
47.8
47.9
47.9 |
48.4
48.8
48.8 |
2.90
3.20
4.00 |
3.23
3.56
4.37 |
309
281
229 |
3.27
3.60
4.41 |
306
277
226 |
3.23
3.56
4.37 |
309
281
229 |
3.27
3.60
4.41 |
306
277
226 |
56.0 |
51.0 |
50 L
M
H |
59.6
59.7
59.7 |
60.2
60.8
60.8 |
2.90
3.60
4.50 |
4.08
5.03
6.19 |
245
199
161 |
4.15
5.10
6.26 |
241
196
159 |
4.08
5.03
6.19 |
245
199
161 |
4.15
5.10
6.26 |
241
196
159 |
68.0 |
60.0 |
65 L
M
H |
75.2
75.3
75.3 |
76.0
76.6
76.6 |
3.20
3.60
4.50 |
5.71
6.42
7.93 |
175
155
126 |
5.83
6.54
8.05 |
171
153
124 |
5.71
6.42
7.93 |
175
155
126 |
5.83
6.54
8.05 |
171
153
124 |
84.0 |
69.0 |
80 L
M
H |
87.9
88.0
88.0 |
88.7
89.5
89.5 |
3.20
4.00
4.80 |
6.72
8.36
9.90 |
149
119
101 |
6.89
8.53
10.40 |
145
117
96 |
6.72
8.36
9.90 |
149
119
101 |
6.89
8.53
10.40 |
145
117
96 |
98.0 |
75.0 |
100 L
M
H |
113.0
113.1
113.1 |
113.9
115.0
115.0 |
3.60
4.50
5.40 |
9.75
12.20
14.50 |
102
82
69 |
10.0
12.50
14.80 |
100
80
67 |
9.75
12.20
14.50 |
102
82
69 |
10.0
12.50
14.80 |
100
80
67 |
124.0 |
87.0 |
125 M
H |
138.5
138.5 |
140.8
140.8 |
4.80
5.40 |
15.90
17.9 |
63
56 |
16.40
18.4 |
61
54 |
15.90
17.9 |
63
56 |
16.40
18.4 |
61
54 |
151.0 |
96.0 |
150 M
H |
163.9
163.9 |
166.5
166.5 |
4.80
5.40 |
18.90
21.3 |
53
47 |
19.50
21.9 |
51
45 |
18.90
21.3 |
53
47 |
19.50
21.9 |
51
45 |
178.0 |
96.0 |
|
|
TOLERANCES
(a) Thickness
1. Light Tubes + not limited - 8%
2. Medium and + not limited Heavy tubes - 10%
(b) Weight
1. Single Tube + 10%
(Light series) - 8%
2. Single tube (Medium and Heavy series) + 10%
3. For quantities per load of 10 tonnes minimum (Light series) +
5%
4. For quantities per load of 10 tones minimum (Medium and Heavy
series) +7.5%
(c) Length: 4 to 7 metres unless
otherwise specified
(d) Tensile strength - 320 mpa (Min)
(e) % of elongation - 20% (Min)
For the sizes 25 mm NB, elongation of 12% shall be permissible
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Pipes
for water gas and oil | Pipes for
structurals
|
|
Black
Galvanised Pipes to BS Standard | Pipes
for Furniture & Automobile |
HR Sheets
for Fabrication of Equipments / Structurals |
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