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union_ust_777@yahoo.com
9587862, 01819211541
Haji Osman Gani Road, Dhaka Tower
Home
About us
Portfolio
Our History
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Managing Director Msg
Executive Director Msg
Download Brochure
Products
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Gallery
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Contact us
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GI Pipe
GI Pipe
GI Pipe
Why Union Steel GI Pipes?
Production capacity up to : 60,000 tons per annum
We have our production of MS & Galvanised pipes under one roof.
All our products have high quality galvanization (as the Zinc used is of highest quality of 99.5%).
We procure zinc for galvanization from HZL.
Timely delivery of material is one of our core strength.
Our strong In-house testing facility is the key to success to meet our customer’s expectations on quality parameters.
We follow strict testing parameters of Mass of Zinc Test, Uniformity test and Adhesion test for best quality output for customer satisfaction
7 bath technique for galvanizing
We can offer wide variety of range from 15 mm to 400 mm nominal bore
Ready stock available
Quick response team and after sales service
Short lead time
Some of the other standards that we make are as follows:
Union Silver, Union Gold, Union Diamond, Union Ruby
UNION SILVER
Series and
Class of
pipes
Nominal Dia
Wall Thickness
Outside Dia
Maximum Ovality
Kg/meter
Meter/m.Ton
Hydrostatic Test pressure
in
mm
mm
min
max
mm
G.I.
G.I.
Kg/cm2 (PSI)
Union Silver
1/2”
15
1.60
21.0
21.4
0.2
0.82
1149
50
(711.30)
3/4”
20
1.70
26.4
26.9
0.2
1.18
847
1”
25
1.90
33.2
33.8
0.2
1.65
606
11/4”
32
2.00
41.9
42.5
0.2
2.202
545
11/4”
40
2.10
47.8
48.4
0.2
2.66
375
2”
50
2.35
59.6
60.2
0.3
3.68
271
21/2”
65
2.45
75.2
76.0
0.3
4.870
205
3”
80
2.60
87.9
88.7
0.3
6.05
165
4”
100
3.00
113.0
113.9
0.3
8.88
112
5”
125
3.60
138.5
140.0
0.3
12.48
80
6”
150
3.60
163.9
166.5
0.3
15.32
65
8”
200
4.00
218.0
219.5
0.3
22.11
45
UNION GOLD
Series and
Class of
pipes
Nominal Dia
Wall Thickness
Outside Dia
Maximum Ovality
Kg/meter
Meter/m.ton
Hydrostatic Test pressure
in
mm
mm
min
max
mm
G.I.
G.I.
Kg/cm2 (PSI)
Union Gold
1/2”
15
1.60
21.0
21.4
0.2
1.030
970
50 (711.30)
3/4”
20
1.70
26.4
26.9
0.2
1.35
740
1”
25
1.90
33.2
33.8
0.2
1.98
505
11/4”
32
2.00
41.9
42.5
0.2
2.532
394
11/4”
40
2.10
47.8
48.4
0.2
3.19
313
2”
50
2.35
59.6
60.2
0.3
4.03
248
21/2”
65
2.45
75.2
76.0
0.3
5.650
177
3”
80
2.60
87.9
88.7
0.3
6.67
149
4”
100
3.00
113.0
113.9
0.3
10.48
95
5”
125
3.60
138.5
140.0
0.3
13.62
73
6”
150
3.60
163.9
166.5
0.3
16.36
61
8”
200
4.00
218.0
219.5
0.3
25.85
38
UNION DIAMOND
Series and
Class of
pipes
Nominal Dia
Wall Thickness
Outside Dia
Maximum Ovality
Kg/meter
Meter/m.Ton
Hydrostatic Test pressure
in
mm
mm
min
max
mm
G.I.
G.I.
Kg/cm2 (PSI)
Union Diamond
1/2”
15
2.35
21.0
21.4
0.2
1.20
833
50 (711.30)
3/4”
20
2.35
26.4
26.9
0.2
1.552
644
1”
25
2.60
33.2
33.8
0.2
2.204
453
11/4”
32
2.60
41.9
42.5
0.2
2.784
359
11/4”
40
2.90
47.8
48.4
0.2
3.517
284
2”
50
2.90
59.6
60.2
0.2
4.236
236
21/2”
65
3.20
75.2
76.0
0.3
6.120
163
3”
80
3.20
87.9
88.7
0.3
7.014
140
4”
100
4.00
113.0
113.9
0.3
11.61
86
5”
125
4.80
138.5
140.0
0.3
15.91
62
6”
150
4.80
163.9
166.5
0.3
19.11
52
8”
200
5.60
218.0
219.5
0.3
29.98
32
UNION RUBY
Series and
Class of
pipes
Nominal Dia
Wall Thickness
Outside Dia
Maximum Ovality
Kg/meter
Meter/m.Ton
Hydrostatic Test pressure
in
mm
mm
min
max
mm
G.I.
G.I.
Kg/cm2 (PSI)
Union Ruby
1/2”
15
2.60
21.0
21.4
0.2
1.30
769
50
(711.30)
3/4”
20
2.60
26.4
26.9
0.2
1.68
595
1”
25
2.90
33.2
33.8
0.2
2.39
418
11/4”
32
2.90
41.9
42.5
0.2
2.784
359
11/4”
40
3.20
47.8
48.4
0.2
3.87
258
2”
50
3.20
59.6
60.2
0.3
6.58
151
21/2”
65
4.00
75.2
76.0
0.3
7.590
131
3”
80
3.65
87.9
88.7
0.3
8.20
121
4”
100
4.50(Special)
113.0
113.9
0.3
12.93
77
5”
125
5.40
138.5
140.0
0.3
18.55
53
8”
200
6.40
218.0
219.5
0.3
34.01
28
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