ERW
BLACK TUBES & GALVANISED STEEL TUBES
For use in Water Gas, Steam and Air Lines
Our range of galvanized steel tubes are
covered by a layer of zinc & are used for varied applications. These are
available in various size and shapes based on the customers requirements.
These tubes are natural corrosion resistant and hold functional durability,
even in outdoor environments. Apart from preventing water corrosion, it is
equally effective in dry, indoor environments.
| |
BLACK & GALVANISED STEEL TUBES
CONFORMING TO IS : 1239 (PART-I) 1990
(EQUIVALENT TO BS : 1387/1987)
|
| Technical Specification |
| Nominal Bore & Series |
Outside Diameter |
Wall
Thickness
in
mm |
Normal
mass of Steel Tubes |
Sockets |
| Plain End |
Screwed & Socketed |
Min
O.D. mm |
Min
Length
mm |
| mm |
Inches |
Max mm |
Min mm |
| Kg/m |
Mtrs
/ tonne |
Kg/m |
Mtrs
/ tonne |
| 15 L |
0.50 |
21.4 |
21.0 |
2.0 |
0.947 |
1056 |
0.956 |
1046 |
27.0 |
37.0 |
| 15 M |
0.50 |
21.8 |
21.0 |
2.6 |
1.21 |
826 |
1.22 |
820 |
27.0 |
37.0 |
| 15 H |
0.50 |
21.8 |
21.0 |
3.2 |
1.44 |
694 |
1.45 |
690 |
27.0 |
37.0 |
| 20 L |
0.75 |
26.9 |
26.4 |
2.3 |
1.38 |
725 |
1.39 |
719 |
32.5 |
39.0 |
| 20 M |
0.75 |
27.3 |
26.5 |
2.6 |
1.56 |
641 |
1.57 |
637 |
32.5 |
39.0 |
| 20 H |
0.75 |
27.3 |
26.5 |
3.2 |
1.87 |
535 |
1.88 |
532 |
32.5 |
39.0 |
| 25 L |
1.00 |
33.8 |
33.2 |
2.6 |
1.98 |
505 |
2.00 |
500 |
39.5 |
46.0 |
| 25 M |
1.00 |
34.2 |
33.3 |
3.2 |
2.41 |
415 |
2.43 |
412 |
39.5 |
46.0 |
| 25 H |
1.00 |
34.2 |
33.3 |
4.0 |
2.93 |
341 |
2.95 |
339 |
39.5 |
46.0 |
| 32 L |
1.25 |
42.5 |
41.9 |
2.6 |
2.54 |
394 |
2.57 |
389 |
49.0 |
51.0 |
| 32 M |
1.25 |
42.9 |
42.0 |
3.2 |
3.10 |
323 |
3.13 |
319 |
49.0 |
51.0 |
| 32 H |
1.25 |
42.9 |
42.0 |
4.0 |
3.79 |
264 |
3.82 |
262 |
49.0 |
51.0 |
| 40 L |
1.50 |
48.4 |
47.8 |
2.9 |
3.23 |
310 |
3.27 |
306 |
56.0 |
51.0 |
| 40 M |
1.50 |
48.8 |
47.9 |
3.2 |
3.56 |
281 |
3.60 |
278 |
56.0 |
51.0 |
| 40 H |
1.50 |
48.8 |
47.9 |
4.0 |
4.37 |
229 |
4.41 |
227 |
56.0 |
51.0 |
| 50 L |
2.00 |
60.2 |
59.6 |
2.9 |
4.08 |
245 |
4.15 |
241 |
68.0 |
60.0 |
| 50 M |
2.00 |
60.8 |
59.7 |
3.6 |
5.03 |
199 |
5.10 |
196 |
68.0 |
60.0 |
| 50 H |
2.00 |
60.8 |
59.7 |
4.5 |
6.19 |
162 |
6.26 |
160 |
68.0 |
60.0 |
| 65 L |
2.50 |
76.0 |
75.2 |
3.2 |
5.17 |
175 |
5.83 |
172 |
84.0 |
69.0 |
| 65 M |
2.50 |
76.6 |
75.3 |
3.6 |
6.42 |
156 |
6.54 |
153 |
84.0 |
69.0 |
| 65 H |
2.50 |
76.6 |
75.3 |
4.5 |
7.93 |
126 |
8.05 |
124 |
84.0 |
69.0 |
| 80 L |
3.00 |
88.7 |
87.9 |
3.2 |
6.72 |
149 |
6.89 |
145 |
98.0 |
75.0 |
| 80 M |
3.00 |
89.5 |
88.0 |
4.0 |
8.36 |
120 |
8.53 |
117 |
98.0 |
75.0 |
| 80 H |
3.00 |
89.5 |
88.0 |
4.8 |
9.90 |
101 |
10.40 |
96 |
98.0 |
75.0 |
| 100 L |
4.00 |
113.9 |
113.0 |
3.6 |
9.75 |
103 |
10.00 |
100 |
124.0 |
87.0 |
| 100 M |
4.00 |
115.0 |
113.1 |
4.5 |
12.20 |
82 |
12.50 |
80 |
124.0 |
87.0 |
| 100 H |
4.00 |
115.0 |
113.1 |
5.4 |
14.50 |
69 |
14.80 |
68 |
124.0 |
87.0 |
| 125 M |
5.00 |
140.8 |
138.5 |
4.8 |
15.90 |
63 |
16.40 |
61 |
151.0 |
96.0 |
| 125 H |
5.00 |
140.8 |
138.5 |
5.4 |
17.90 |
56 |
18.40 |
54 |
151.0 |
96.0 |
| 150 M |
6.00 |
166.5 |
163.9 |
4.8 |
18.90 |
53 |
19.5 |
51 |
178.0 |
96.0 |
| 150 H |
6.00 |
166.5 |
163.9 |
5.4 |
21.30 |
47 |
21.90 |
46 |
178.0 |
96.0 |
|
 |
|
| Tolerance on Thickness and Mass |
| Class |
Thickness |
Weight |
Length |
| Single Tube |
Per Load of 10
Tonne Min |
Unless otherwise
specified |
| Light |
+ Not
Limited - 8% |
+ 10%
-8% |
±
5% |
4 to 7 Mtr. |
| Medium &
Heavy |
+ Not
Limited - 10% |
±
10% |
±
7.5% |
|
|
