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Black Steel Pipes & Tubes

 
We produce high quality ERW Tubes / Pipes in various sections and thickness. Steel Strings are cut into required width slitting machines and fed to the pipe plant through feed cages. Further black tubes are galvanized at the galvanized plant and all tubes go through quality checks before dispatch. High quality steel stripes for pipes are directly sourced from primary or produced at our own rolling mill. All the pipe and tube products confirm to Indian & International standards.
 
SIZE
Dia - ˝ to 8”
 
Thickness
1.00 mm to 5.40 mm
 
Specifications :
Confirming to IS : 1239, IS: 4270, IS: 3589
Equivalent to BS-1389, ASTM-53, A120, A513, DIN 2439, 2440, 2441 & JIS G34444, G3445
 
Applications :
Water, Gas, Stream, Sewage, Water Wells, Construction, Mechanical & General
Engineering
 
Pipes & Tubes Specifications
 BLACK STEEL PIPES CONFORMING TO IS:1239(PART-1)2004 TO EQUIVALENT BS:1387
 TOLERANCES
 EQUVALENT INTERNATIONAL STANDARDS TO US
 SCAFFOLDING STEEL PIPES, SCAFFOLDING STEEL TUBES FOR
 
BLACK STEEL PIPES CONFORMING TO IS: 1239 (PART-1) 2004
EQUIVALENT TO BS : 1387
N.B.
&
SERIES
OUTSIDE
DIAMETER
WALL
THICKNESS
BLACK TUBES
PLAN END SCREWED &
SOCKETED
SOCKETS
MIN.
O.D.
MAX
LENGTH
Mm
15 L
M
H
20 L
M
H
25 L
M
H
32 L
M
H
40 L
M
H
50 L
M
H
65 L
M
H
80 L
M
H
100 L
M
H
125 M
H
150 M
H
175 M
H
200 M
H
Max Min mm SWG
Kg/m M/Ton Kg/m M/Ton
0.947
1.210
1.440
1056
826
694
0.956
1.22
1.45
1046
819
689
1.380
1.560
1.870
724
641
534
1.39
1.57
1.88
719
637
532
1.980
2.410
2.930
505
415
341
2.00
2.43
2.95
500
411
339
2.540
3.100
3.790
393
322
264
2.57
3.13
3.82
389
319
261
3.230
3.560
4.370
309
281
229
3.27
3.60
4.41
306
277
226
4.080
5.030
6.190
245
199
161
4.15
5.10
6.26
241
196
159
5.710
6.420
7.930
175
155
126
5.83
6.54
8.05
171
153
124
6.720
8.360
9.990
149
119
101
6.89
8.53
10.40
145
117
96
9.750
12.200
14.500
102
82
69
10.00
12.50
14.80
100
80
67
15.900
17.900
63
56
16.40
18.40
61
54
18.900
21.300
53
47
19.50
21.90
51
45
25.100
27.300
-- -- --
29.500
31.000
-- -- --
mm mm
27 37
32 39
39 46
49 51
56 51
68 60
84 69
98 75
124 87
151 96
178 96
-- --
-- --
21.4
21.8
21.8
21.0
21.0
21.0
2.0
2.6
3.2
14
12
10
26.9
27.3
27.3
26.4
26.5
26.5
2.3
2.6
3.2
13
12
10
33.8
34.2
34.2
33.2
33.3
33.3
2.6
3.2
4.0
12
10
8
42.5
42.9
42.9
41.9
42.0
42.0
2.6
3.2
4.0
12
10
8
48.4
48.8
48.8
47.8
47.9
47.9
2.9
3.2
4.0
11
10
8
60.2
60.8
60.8
59.6
59.7
59.7
2.9
3.6
4.5
11
9
7
76.0
76.6
76.6
75.2
75.3
75.3
3.2
3.6
4.5
10
9
7
88.7
89.5
89.5
87.9
88.0
88.0
3.2
4.0
4.8
10
8
6
113.9
115.0
115.0
113.1
113.1
113.0
3.6
4.5
5.4
9
7
5
140.8
140.8
138.5
138.5
4.8
5.4
6
5
166.5
166.5
163.9
163.9
4.8
5.4
6
5
193.7
193.7
-- 5.4
5.9
5
4
219.1
219.1
-- 5.6
5.9
5
4
TOLERANCES
(a) Thickness (b) Weight (c) Length
Light Tubes + not ilmited
-8%
Single Tube
(Light Series)
+ 10%
-8%
Unless Otherwise
specified 4 to 7 Meters
Medium & Heavy
Tubes
+ not limited
-10%
Single Tube
(Medium & Heavy Series)
+10%  
S.No. STANDARD END USE INDIAN BRITISH AMERICAN JAPANESE GERMAN
1. WATER, GAS, AIR STEAM IS-1239 BS-1387 ASTM A-120 -- DIN-2439,2440 & 2441
2. WATER, GAS, SEWAGE IS-3589 BS-5534 -- -- --
3. STRUCTURAL, SCAFFOLDING IS-1161 BS-1139,
6323
ASTM A-500 JIS G 3444 --
4. IDLERS,BELT CONVEYERS IS-9295 BS-6323 ASTM A-513 -- --
5. WATER WELLS, CASING IS-4270 BS-879 -- -- --
6. SECTIONAL TUBES (SQ. & RECT) IS-4923 -- ASTM A-500 JIS G 3466 DIN-2395
7. FURNITURE TUBE IS-7138 -- --    
 
BLACK STEEL PIPES CONFORMING TO IS: 1239 (PART-1) 2004
EQUIVALENT TO BS : 1387
A. Pyhsical Properties
N.B.
and Series
Strip Width Outside Diameter Thick-
ness
Nominal Weight
Black
Tubes
Plain
End
Calculated Nominal Weight Galvanised Tubes Plain End
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
B. Standard Tolerance
mm mm Max. mm Kg/
m
M/
Ton
Kg/
m
M/
Ton
15 L
M
H
64
63
61
21.3 2.0
2.6
3.2
0.947
1.210
1.440
1056
826
694
1.00
1.26
1.49
1003
794
671
20 L
M
H
81
80
78
26.9 2.3
2.6
3.2
1.380
1.560
1.870
724
641
534
1.43
1.61
1.92
699
621
521
25 L
M
H
101
99
98
33.7 2.6
3.2
4.0
1.980
2.410
2.930
505
415
341
2.03
2.46
2.98
493
407
336
32 L
M
H
128
127
126
42.4 2.6
3.2
4.0
2.540
3.100
3.790
393
322
264
2.62
3.18
3.87
382
314
258
40 L
M
H
147
146
145
48.3 2.9
3.2
4.0
3.230
3.560
4.370
309
281
229
3.34
3.67
4.48
299
272
223
50 L
M
H
184
182
180
60.3 2.9
3.6
4.5
4.080
5.030
6.190
245
199
161
4.20
5.15
6.31
238
194
158
65 L
M
H
234
233
231
76.1 3.2
3.6
4.5
5.710
6.420
7.930
175
155
126
5.86
6.57
8.10
171
152
123
80 L
M
H
274
272
271
88.9 3.2
4.0
4.8
6.720
8.360
9.900
149
119
101
6.90
8.50
10.08
145
117
99
100 L
M
H
354
352
349
114.3 3.6
4.5
5.4
9.750
12.220
14.500
102
82
69
9.97
12.42
14.72
100
81
68
125 M
H
433
432
139.7 4.8
5.4
15.900
17.900
63
56
16.15
18.15
62
55
1. Outside Diameter
Upto & Including 48.3 mm                   + 0.4 mm
                                                           - 0.8 mm
                                                           
- 1% 
                                                           
Not Limited
2. Thickness                                      + 10%
3. Weight
Single Tube(Light)                                  + 10%
- 8%         
Single Tube(Medium & Heavy)               + 10%
10TonnesLots(Light)                              + 5%
10Tonne.Lot.(Medium&Heavy)               + 7.5%
 
 
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Product Overview
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