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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
Series and Class of pipes	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
Series and Class of pipes	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
Series and Class of pipes	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
Series and Class of pipes	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