Structural Steel Tubes, Structural Steel Pipes, Structural Steel Tubes Manufacturers, Structural Steel Pipes Exporters India

N.B. and Series	Outside diameter	Thickness	Nominal weight Black Tubes Plain End		Calculated Nominal weight Galvanised Tubes Plain End
	mm	mm	kg/m	m/tonne	kg/m	m/tonne
15 L M H	21.3	2.00 2.65 3.25	0.96 1.22 1.45	1042 820 690	1.00 1.27 1.50	1000 787 667
20 L M H	26.9	2.35 2.65 3.25	1.42 1.58 1.90	704 633 526	1.47 1.64 1.96	680 610 510
25 L M H	33.7	2.65 3.25 4.05	2.04 2.46 2.99	490 407 259	2.09 2.52 3.94	478 397 254
32 L M H	42.4	2.65 3.25 4.05	2.61 3.15 3.86	383 317 259	2.69 3.24 3.94	372 309 254
40 L M H	48.3	2.90 3.25 4.05	3.27 3.61 4.43	306 277 226	3.37 3.73 4.55	297 268 220
50 L M H	60.3	2.90 3.25 3.65 4.50	4.14 4.57 5.10 6.17	242 219 196 126	4.26 4.71 5.25 8.09	235 212 190 124
65 L M H	76.1	3.25 3.65 4.50	5.84 6.53 7.92	171 153 126	5.99 6.70 8.09	167 149 124
80 L M H	88.9	3.25 4.05 4.85	6.86 8.48 10.10	146 118 99	7.04 8.70 10.32	142 115 97
90 L M H	101.6	3.65 4.05 4.85	8.82 9.75 11.60	113 103 86	9.09 10.03 11.87	110 100 84
100 L M H	114.3	3.65 4.50 5.40	9.97 12.10 14.50	100 83 69	10.18 12.39 14.69	98 81 68
110 L M H	127.0	4.50 4.85 5.40	13.6 14.6 16.2	74 68 62	13.9 14.90 16.5	72 67 61
125 L M H	139.7	4.50 4.85 5.40	14.9 16.2 17.9	67 62 56	15.24 16.56 18.16	66 60 65
135 L M H	152.4	4.50 4.85 5.40	16.4 17.7 19.5	61 57 51	16.77 18.07 19.87	60 55 50
150 L M H	165.1	4.50 4.85 5.40	17.8 19.2 21.2	56 52 47	18.20 19.63 21.62	55 51 46
150 L M H	168.3	4.50 4.85 5.40 6.30	18.1 19.6 21.7 25.3	55 51 46 40	18.50 20.00 22.10 25.7	54 50 45 39
175 L M H	193.7	4.85 5.40 5.90	22.60 25.00 27.30	44 40 37	23.13 25.53 27.83	43 39 36
200 L M H	219.1	4.85 5.60 5.90	25.7 29.4 31.0	39 34 32	26.24 29.94 31.54	38 33 32
250 H	273.0	5.90	38.8	26	39.56	25
300 H	323.9	6.3	49.5	20	50.40	20
350 H	355.6	8.00	68.6	14.50	69.58	14

Grade	Y.S. (min) MPa (kg/mm2)	T.S. (min) MPa (kg/mm2)	% age Elongation
YST-210	210 (21.42)	330 (33.66)	20
YST-240	240 (24.48)	410 (41.82)	17

i) Outside diameter Upto & including 48.3 mm Over 48.3 mm ii) Thickness	+ 0.4 mm - 0.8 mm ± 1% + Not limited - 10%
iii) Weight - Single Tube -For quantities less than 150 metres of one size - For quantities 150 and over of one size.	+ 10% - 8% + 10% - 8% ± 4%

1.	Steel Tubes for Ordinary Uses In Water, Gas, And Air Lines Conforming to IS: 1239 (Part-1) Equivalent to spec. BS:1387
2.	Steel Tubes For Line Pipes In Oil And Petroleum Industries Conforming to API-5L IS: 1978 IS Equivalent To API-5L
3.	Steel Tubes for Line Pipes In Oil & Petroleum Industries Conforming To IS: 1978
4.	Steel Tubes for Water, Gas and Sewerage Purposes Conforming To IS: 3589 (Grade ERW 330 and 410)
5.	Steel Pipe Black And Zinc Coated, Welded Conforming To ASTM A53-1993
6.	Steel Tubes for Structural Purpose Conforming To IS:1161/1979
7.	Steel Tubes for Water Wells (Casting Pipes) Conforming To IS:4270/1992
8.	Steel Tubes for Idlers and Thoughed Belt Conveyors Conforming To IS: 9295-1979