Specifications

Steel Tubes for Structural Tubes Confirming to IS:1161:1998
N.B.	Series	Outside Diameter	Thickness	Nominal Weight		Calculated Nominal Weight
				Black Tube		Galvanized Tubes
				Plain End		Plain End
		MM	MM	Kg/ M	Meters/ Tonne	Kg/ M	Meters/ Tonne
15	L	21.3	2	0.947	1058	1	1003
	M		2.6	1.21	826	1.26	794
	H		3.2	1.44	694	1.49	671
20	L	26.9	2.3	1.38	725	1.43	699
	M		2.6	1.56	641	1.61	221
	H		3.2	1.87	535	1.92	521
25	L	33.7	2.6	1.98	505	2.03	493
	M		3.2	2.41	415	2.46	407
	H		4	2.93	341	2.98	336
32	L	42.4	2.6	1.54	394	2.62	382
	M		3.2	3.1	323	3.18	314
	H		4	3.79	264	3.87	258
40	L	48.3	2.9	3.23	310	3.34	299
	M		3.2	3.56	281	3.67	272
	H		4	4.37	229	4.48	223
50	L	60.3	2.9	4.08	245	4.2	238
	M		3.2	5.03	199	5.15	194
	H		4	6.19	162	6.31	158
65	L	76.1	3.2	5.71	175	5.86	171
	M		3.6	6.42	156	6.57	152
	H		4.5	7.93	126	8.1	123
80	L	88.9	3.2	6.72	149	6.9	145
	M		4	8.36	120	8.54	117
	H		4.8	9.9	101	10.08	99
90	L	101.6	3.6	8.7	115	8.97	111
	M		4	9.63	144	7.2	139
	H		4.8	11.5	87	11.77	85
100	L	114.3	3.6	9.75	103	9.97	100
	M		4.5	12.2	82	12.42	81
	H		5.4	14.5	69	14.72	68
110	L	127	4.5	13.6	74	13.9	72
	M		4.8	14.5	69	14.8	68
	H		5.4	16.2	62	14.8	61
125	L	139.7	4.5	15	67	15.25	66
	M		4.8	15.9	63	16.15	62
	H		5.4	17.9	56	18.15	55
135	L	152.4	4.5	16.4	61	16.78	60
	M		4.8	17.5	57	77.88	56
	H		5.4	19.6	51	19.98	55
150	L	165.1	4.5	17.8	56	18.2	55
	M		4.8	18.9	52	19.8	51
	H		5.4	21.3	47	21.7	46
150	L	168.3	4.5	18.2	55	18.66	54
	M		4.8	19.4	52	19.88	50
	H1		5.4	21.7	46	22.24	45
	H2		6.3	25.2	40	41	24
175	L	193.7	4.8	22.4	45	22.94	44
	M		5.4	25.1	40	25.64	39
	H		5.9	27.3	37	27.84	36
200	L	219.1	4.8	25.4	39	25.95	39
	M		5.6	29.5	34	30.05	33
	H		5.9	31	32	31.55	32
225	H	244.5	5.9	34.7	29	35.36	28
250	H	273	5.9	38.9	26	39.68	25
300	H	323.9	6.3	49.3	20	50.28	20
350	H	355.6	8	68.6	15	69.28	14

Tensile Properties
Grade	Y.S.	T.S.	% Elongation on
	Mpa	Mpa
	(Kg/mm2)	(Kg/mm2)
YST-210	210(21.42)	330(33.66)	20
YST-240	240(41.82)	410(41.82)	17
YST-310	310(31.62)	450(45.60)	14

Weight	Tolerances
Single Tube			-1.25
1. Light Class			+/-10%
2. Medium & Heavy Class
Tolerances
1. On outside diameter up to & including 48.3mm=+0.4mm/ -0.8mm
2. Over 48.3 mm=+/- 1%

Thikness	Tolerances
For All Size			+ Not Limited
Welded Tubes			-10%

10 Ton Lot	Tolerances
Light Class			+ /- 5%
Medium & Heavy Class			+ /- 7.5%

ERW Steel Tubes for Water & Sewerage Purpose Confirming to IS : 3589/2001
N.B. Size	Out Side Diameter	Wall Thickness	Weight (Plain End)
mm	mm	mm	KG/MTRS	M/Tonne
150	168.3	2.6	10.6	94
		3.2	13	77
		4	16.2	62
		4.5	18.2	55
		5	20.1	50
		6.3	25.2	40
175	193.7	2.6	12.3	81
		3.6	16.9	59
		4.5	21	48
		6.3	29.1	34
200	219.1	2.6	13.9	72
		3.6	19.1	52
		4.5	23.8	42
		6.3	33.1	30
250	273	3.6	23.9	42
		4	26.5	38
		5	33.9	30
		6.3	41.4	24
		7.1	46.57	21
		8	52.3	19
		10	64.9	15
300	323.9	4	31.6	32
		5	35.4	28
		5.6	44	23
		7.1	55.5	18
350	355.6	5.6	48.33	21
		6.4	55.11	18
		7.1	61.02	16
		7.9	67.74	15
		8.7	74.42	13
		9.5	81.08	12

Tolerances
a. Outside diameter of pipe			± 0.75%
b. Ovality			= Max. 1%
c. Thickness			± 10%
Unless other specified, length are in single random length of 4 to 7 meter.			-
e. Mass per Truck Load of 10 Tonnes of above			± 7.5%

Physical Properties
Grade	T.S.	Y.S.	% Age Elongation of
	Mpa	Mpa	MIN
	(Kg/mm2)	(Kg/mm2)
Fe 330	330	195	20
Fe 410	410	235	18

ERW Steel Tubes For Water Wells Conforming To IS : 4270 / 2001 Plain End Casing Pipes /Screwed and Socketed Casing Pipes
N.B. Size	Out Side Diameter	Wall Thickness	Nominal Weight		Socket OD	Socket Length (Min)
mm	mm	mm	KG/Mtrs	M/Tone	mm	mm
100	114.3	5	13.48	74	130	144.3
	114.3	5.4	14.5	69	157	120.6
125	141.3	5.4	18.1	55	184	127
			7.1	23.5	42.5
150	168.3	5.4	20.13	50	211.16	152.4
	168.3	5.4	21.6	46
		7.1	28.2	35.5	237	152.4
175	193.7	5.4	25.1	40
	193.7	6.4	29.6	34	291	177.8
		8	36.6	27
200	219.1	5.4	28.46	35	346	177.8
	219.1	6.4	33.6	30
		8	41.6	24
250	273.1	7.1	46.57	21
	273.1	8	52.3	19
		10	64.9	15
300	323.9	7.1	55.47	18
	323.9	8	62.3	16
	10	77.4	13
350	355.6	5.6	48.33	21
		6.4	55.11	18
		7.1	61.02	16
		7.9	67.74	15
		8.7	74.42	13
		9.5	81.08	12

Tolerances
a. Outside diameter of pipe			± 1.0%
b. Thickness Up to 406.4mm OD			(+) 15% (+)12.5%
c. Weight - Single Tube			(+)10% (+)8%
d. Length Unless otherwise specified			4 to 7 mtrs
There are prefered included OD & Thikness. Other sizes not include may be supplied as specified by purchaser

Physical Properties
Grade	Y.S. (Min)	T.S.(Min)	% Age Elongation on 5.65/So=GI.
	Mpa	Mpa
	(N/mm2)	(N/mm2)
Fe 330	235	410	15%

ERW Steel Tubes for idlers for Belt Conveyors as per IS : 9295 -1983 Dimensions and Nominal Masses
Outside Diameter	Thikness	Mass	Meters
MM	MM	Kg./Mtrs.	Tonne
63.5	3.65	5.39	186
	4.05	5.94	168
	4.5	6.55	153
	4.85	7.01	143
	5.4	7.74	129
	6.3	8.89	112
76.1	3.65	6.52	153
	4.05	7.2	139
	4.5	7.95	126
	4.85	8.52	117
	5.4	9.42	106
	6.3	10.84	92
88.9	4.05	8.74	118
	4.5	9.37	107
	4.85	10.05	99
	5.4	11.12	90
	6.3	12.83	78
101.6	4.05	9.74	103
	4.5	10.78	93
	4.85	11.57	86
	5.4	12.81	78
	6.3	14.81	68
114.3	4.5	12.19	82
	4.85	13.09	76
	5.4	14.5	69
127	4.5	13.59	74
	4.85	14.61	68
	5.4	16.19	62
	6.3	18.75	53
139.7	4.5	15	67
	4.85	16.13	62
	5.4	17.89	56
	6.3	20.73	48
152.4	4.5	16.41	61
	4.85	17.65	57
	5.4	19.58	51
	6.3	22.7	44
159	4.5	17.15	58
	4.85	18.44	54
	5.4	20.46	49
	6.3	23.72	42
165.1	4.5	17.82	56
	4.85	19.17	52
	5.4	21.27	47
	6.3	24.67	41
168.3	4.5	8.18	55
	4.85	19.55	51
	5.4	21.69	46
	6.3	25.17	40
193.7	5.4	25.08	40
	6.3	29.12	34
219.1	5.4	28.46	35
	6.3	33.06	40