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 DiaWall ThicknessOutside DiaMaximum OvalityKg/meterMeter/m.TonHydrostatic Test pressure
inmmmmminmaxmmG.I.G.I.Kg/cm2 (PSI)
Union Silver1/2”151.6021.021.40.20.821149

50

(711.30)

3/4”201.7026.426.90.21.18847
1”251.9033.233.80.21.65606
11/4”322.0041.942.50.22.202545
11/4”402.1047.848.40.22.66375
2”502.3559.660.20.33.68271
21/2”652.4575.276.00.34.870205
3”802.6087.988.70.36.05165
4”1003.00113.0113.90.38.88112
5”1253.60138.5140.00.312.4880
6”1503.60163.9166.50.315.3265
8”2004.00218.0219.50.322.1145

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 DiaWall ThicknessOutside DiaMaximum OvalityKg/meterMeter/m.TonHydrostatic Test pressure
inmmmmminmaxmmG.I.G.I.Kg/cm2 (PSI)
Union Ruby1/2”152.6021.021.40.21.30769

50

(711.30)

3/4”202.6026.426.90.21.68595
1”252.9033.233.80.22.39418
11/4”322.9041.942.50.22.784359
11/4”403.2047.848.40.23.87258
2”503.2059.660.20.36.58151
21/2”654.0075.276.00.37.590131
3”803.6587.988.70.38.20121
4”1004.50(Special)113.0113.90.312.9377
5”1255.40138.5140.00.318.5553
8”2006.40218.0219.50.334.0128