![Holloe [square pipes]](gifs/steel-tlt.jpg)
ERW BLACK & GLAVANISED STEEL PIPES used as water steel
pipes, gas air
steel pipes and steam conforming to IS: 1239 (Pt I)- 1990 Equivalent
to BS- 1387/1995
N.B.
&Series |
Outside Diameter |
Wall thickness |
Nominal Mass of
Galvanized Steel Tubes |
Socket |
| |
|
|
|
|
|
Plain
end |
Screwed
& Socketed |
|
|
|
| mm |
inch |
Min. mm |
Max. mm |
mm |
SWG |
Kg
/mtrs. |
mtrs
/tonne |
Kg/ Mtrs |
Mtrs
/tonne |
No.of Pipes per bundle |
Min. Outer dia. mm |
Min. Length mm |
15 L
M
H |
1/2
1/2
1/2 |
21.0
21.0
21.0 |
21.4
21.8
21.8 |
2.00
2.60
3.20 |
14
12
10 |
0.947
1.210
1.440 |
1056
826
694 |
0.956
1.220
1.450 |
1046
820
690 |
165
132
110 |
27.0 |
37.0 |
20 L
M
H |
3/4
3/4
3 / 4 |
26.4
26.5
26.5 |
26.9
27.3
27.3 |
2.30
2.60
3.20 |
13
12
10 |
1.380
1.560
1.870 |
725
641
535 |
1.390
1.570
1.880 |
719
637
532 |
112
98
84 |
32.5 |
39.0 |
25 L
M
H |
1
1
1 |
33.2
33.3
33.3 |
33.8
34.2
34.2 |
2.60
3.20
4.00 |
12
10
8 |
1.980
2.410
2.930 |
505
415 341 |
2.000
2.430
2.950 |
500
412 339 |
80
65
55 |
39.5 |
46.0 |
32 L
M
H |
1 ¼
1 ¼
1 ¼ |
41.9
42.0
42.0 |
42.5
42.9
42.9 |
2.60
3.20
4.00 |
12
10
8 |
2.540
3.100
3.790 |
394
323 264 |
2.570
3.130
3.820 |
389
319
262 |
60
51
42 |
49.0 |
51.0 |
40 L
M
H |
1 ½
1 ½
1 ½ |
47.8
47.9
47.9 |
48.4
48.8
48.8 |
2.90
3.20
4.00 |
11
10
8 |
3.230
3.560
4.370 |
310
281
229 |
3.270
3.600
4.410 |
306
278
227 |
48
45
36 |
56.0 |
51.0 |
50 L
M
H |
2
2
2 |
59.6
39.7
59.7 |
60.2
60.8
60.8 |
2.90
3.60
4.50 |
11
9
7 |
4.080
5.030
6.190 |
245
199
162 |
4.150
5.100
6.260 |
241
196
160 |
39
30
27 |
68.0 |
60.0 |
65L
M
H |
2 ½
2 ½
2 1/2 |
75.2
75.3
75.3 |
76.0
76.6
76.6 |
3.20
3.60
4.50 |
10
9
7 |
5.710
6.410
7.930 |
175
156
126 |
5.830
6.540
8.050 |
172
153
124 |
27
24
20 |
84.0 |
69.0 |
80 L
M
H |
3
3
3 |
87.9
88.0
88.0 |
88.7
89.5
89.5 |
3.20
4.00
4.80 |
10
8
6 |
6.720
8.360
9.900 |
149
120
101 |
6.890
8.530
10.400 |
145
117
96 |
23
19
16 |
98.0 |
75.0 |
100 L
M
H |
4
4
4 |
113.0
113.1
113.0 |
113.9
115.0
115.0 |
3.60
4.50
5.40 |
9
7
5 |
9.750
12.200
14.500 |
103
82
69 |
10.000
12.500
14.800 |
100
80
68 |
16
13
11 |
124.0 |
87.0 |
125 M
H |
5
5 |
138.5
138.5 |
140.8
140.8 |
4.80 5.40 |
6
5 |
15.900 17.900 |
63
56 |
16.400
18.400 |
61 54 |
10
9 |
151.0 |
96.0 |
150M
H |
6
6 |
163.9
163.9 |
166.5
166.5 |
4.80
5.40 |
6
5 |
18.900
21.300 |
53
47 |
19,500
21,900 |
51
46 |
8
7 |
178.0 |
96.0 |
| L=Light, M =
Medium, H= Heavy |
|
|
|
|
| Tolerances |
| Thickness |
Light Tubes+ Not limited
-8% |
| |
Medium and+ Not limited
Heavy Tubes -10% |
| Weight |
Single tube +10% (Light
series) |
| |
Single tube (Medium&
Heavy series) ± 10% |
| |
For Quality per Load of
10 tonnes minimum (Light series) ± 5% |
| |
For Quantity per Load of
10 tonnes minimum (Medium & heavy series) ± 7.5% |
| Length |
4 to 7 meters unless
otherwise specified |
|
For water steel pipes and sewage conforming to IS: 3589/2001
| Outside Diameter OD |
Nominal Bore |
Wall Thickness |
Calculated Weight (Plain
end) |
| mm |
mm |
mm |
Kg./ mtr. |
Mtrs./tonne approx. |
| 168.3 |
150 |
2.6 |
10.6 |
94 |
| |
|
3.2 |
12.0 |
83 |
| |
|
4.0 |
16.2 |
62 |
| |
|
4.5 |
18.2 |
55 |
| 219.1 |
200 |
2.6 |
13.9 |
72 |
| |
|
3.6 |
19.1 |
52 |
| |
|
4.5 |
23.8 |
42 |
| |
|
6.3 |
33.1 |
30 |
| 273.0 |
250 |
3.6 |
23.9 |
42 |
| |
|
4.0 |
26.5 |
38 |
| |
|
5.0 |
33.0 |
30 |
| |
|
6.3 |
41.1 |
24 |
| 323.9 |
300 |
4.0 |
31.8 |
31 |
| |
|
4.5 |
35.4 |
28 |
| |
|
5.6 |
44.0 |
23 |
| |
|
7.1 |
55.5 |
18 |
| 355.6 |
350 |
4.0 |
34.7 |
29 |
| |
|
5.0 |
43.2 |
23 |
| |
|
5.6 |
48.3 |
21 |
| |
|
8.0 |
68.6 |
15 |
|
| Tolerances |
| Outer Dia |
± 0.75% |
| Thickness |
± 10% |
| Length |
4 to 7 meter |
Notes
Thickness as stated above are commonly used. However, pipes of
other thickness can also be manufactured and supplied to meet
customers' requirement. Pipes can be supplied in grades FE-330,
FE-410 and FE-450. |
|
|
|
