Chennai - 600001.
+91 98401 13805 +91 98400 42553
Get a Quote
bg_image
  • Home
  • Products
  • Black & Galvanised Steel Tubes

Black & Galvanised Steel Tubes

Our range of galvanized steel tubes are covered by a layer of zinc & are used for varied applications. These are available in various size and shapes based on the customers requirements. These tubes are natural corrosion resistant and hold functional durability, even in outdoor environments. Apart from preventing water corrosion, it is equally effective in dry, indoor environments.

img
CONFORMING TO IS : 1239 (PART-I) 1990 (EQUIVALENT TO BS : 1387/1987)

Technical Specification
Nominal Bore Outside Diameter Class Wall Thickness Weight
mm mm   mm Kg/Mtr Mtrs/Ton
15 21.3 Light
Medium
Heavy 		2.0
2.6
3.2 		0.947
1.21
1.44 		1056
826
694
20 26.9 Light
Medium
Heavy 		2.3
2.6
3.2		 1.38
1.56
1.87		 725
641
535
25 33.7 Light
Medium
Heavy 		2.6
3.2
4.0 		1.98
2.41
2.93 		505
415
341
32 42.4 Light
Medium
Heavy 		2.6
3.2
4.0 		2.54
3.10
3.79 		394
323
264
40 48.4 Light
Medium
Heavy 		2.9
3.2
4.0 		3.23
3.56
4.37 		310
281
229
50 60.3 Light
Medium
Heavy 		2.9
3.6
4.5 		4.08
5.03
6.19 		245
199
162
65 76.1 Light
Medium
Heavy 		3.2
3.6
4.5 		5.71
6.42
7.93 		175
156
126
80 88.9 Light
Medium
Heavy 		3.2
4.0
4.8 		6.72
8.36
9.90 		149
120
101
90 101.6 Light
Medium
Heavy 		3.6
4.0
4.8 		8.70
9.63
11.5 		115
104
87
100 114.3 Light
Medium
Heavy 		3.6
4.5
5.4 		9.75
12.2
14.5 		103
82
69
110 127.0 Light
Medium
Heavy 		4.5
4.8
5.4 		13.6
14.5
16.2 		74
69
62
125 139.7 Light
Medium
Heavy 		4.5
4.8
5.4 		15.0
15.9
17.9 		67
63
56
135 152.4 Light
Medium
Heavy 		4.5
4.8
5.4 		16.4
17.5
19.6 		61
57
51
150 165.1 Light
Medium
Heavy 		4.5
4.8
5.4 		17.8
18.9
21.3 		56
53
47
150 168.3 Light
Medium
Heavy1
Heavy2 		4.5
4.8
5.4
6.3 		18.2
19.4
21.7
25.2 		55
52
46
40
175 193.7 Light
Medium
Heavy 		4.8
5.4
5.9 		22.4
25.1
27.3 		45
40
37
200 219.1 Light
Medium
Heavy 		4.8
5.6
5.9 		25.4
29.5
31.0 		39
34
32
250 273.0 Heavy 5.9 38.9 26
300 323.9 Heavy 6.3 49.3 20
350 355.6 Heavy 8.0 68.6 15
Nominal Bore & Series Outside Diameter Wall
Thickness
in mm		 Normal mass of Steel Tubes Sockets
Plain End Screwed & Socketed Min O.D. mm Min
Length
mm
mm Inches Max mm Min mm
Kg/m Mtrs
/ tonne		 Kg/m Mtrs
/ tonne
15 L 0.50 21.4 21.0 2.0 0.947 1056 0.956 1046 27.0 37.0
15 M 0.50 21.8 21.0 2.6 1.21 826 1.22 820 27.0 37.0
15 H 0.50 21.8 21.0 3.2 1.44 694 1.45 690 27.0 37.0
20 L 0.75 26.9 26.4 2.3 1.38 725 1.39 719 32.5 39.0
20 M 0.75 27.3 26.5 2.6 1.56 641 1.57 637 32.5 39.0
20 H 0.75 27.3 26.5 3.2 1.87 535 1.88 532 32.5 39.0
25 L 1.00 33.8 33.2 2.6 1.98 505 2.00 500 39.5 46.0
25 M 1.00 34.2 33.3 3.2 2.41 415 2.43 412 39.5 46.0
25 H 1.00 34.2 33.3 4.0 2.93 341 2.95 339 39.5 46.0
32 L 1.25 42.5 41.9 2.6 2.54 394 2.57 389 49.0 51.0
32 M 1.25 42.9 42.0 3.2 3.10 323 3.13 319 49.0 51.0
32 H 1.25 42.9 42.0 4.0 3.79 264 3.82 262 49.0 51.0
40 L 1.50 48.4 47.8 2.9 3.23 310 3.27 306 56.0 51.0
40 M 1.50 48.8 47.9 3.2 3.56 281 3.60 278 56.0 51.0
40 H 1.50 48.8 47.9 4.0 4.37 229 4.41 227 56.0 51.0
50 L 2.00 60.2 59.6 2.9 4.08 245 4.15 241 68.0 60.0
50 M 2.00 60.8 59.7 3.6 5.03 199 5.10 196 68.0 60.0
50 H 2.00 60.8 59.7 4.5 6.19 162 6.26 160 68.0 60.0
65 L 2.50 76.0 75.2 3.2 5.17 175 5.83 172 84.0 69.0
65 M 2.50 76.6 75.3 3.6 6.42 156 6.54 153 84.0 69.0
65 H 2.50 76.6 75.3 4.5 7.93 126 8.05 124 84.0 69.0
80 L 3.00 88.7 87.9 3.2 6.72 149 6.89 145 98.0 75.0
80 M 3.00 89.5 88.0 4.0 8.36 120 8.53 117 98.0 75.0
80 H 3.00 89.5 88.0 4.8 9.90 101 10.40 96 98.0 75.0
100 L 4.00 113.9 113.0 3.6 9.75 103 10.00 100 124.0 87.0
100 M 4.00 115.0 113.1 4.5 12.20 82 12.50 80 124.0 87.0
100 H 4.00 115.0 113.1 5.4 14.50 69 14.80 68 124.0 87.0
125 M 5.00 140.8 138.5 4.8 15.90 63 16.40 61 151.0 96.0
125 H 5.00 140.8 138.5 5.4 17.90 56 18.40 54 151.0 96.0
Tolerance on Thickness and Mass
Class Thickness Weight Length
Single Tube Per Load of 10 Tonne Min Unless otherwise specified
Light + Not Limited - 8% + 10% -8% ± 5% 4 to 7 Mtr.
Medium & Heavy + Not Limited - 10% ± 10% ± 7.5%