ISI2 39 Pipe Dimension
 
Normal
Bore
Outside
Diameter
Light
Medium
Heavy
Thickness
Weight
Thickness
Weight
Thickness
Weight
Inch
in mm
In
mm
mm
kg/mtr
mm
kg/mtr
mm
kg/mtr
1/8"
3mm
0.406
10.32
1.80
0.361
2.00
0.407
2.65
0.493
1/4"
6mm
0.532
13.49
1.80
0.517
2.35
0.650
2.90
0.769
3/8"
10mm
0.872
17.10
1.80
0.674
2.35
0.852
2.90
1.02
1/2"
15mm
0.844
21.43
2.00
0.952
2.65
1.122
3.25
1.45
3/4"
20mm
1.094
27.20
2.35
1.410
2.65
1.580
3.25
1.90
1"
25mm
1.312
33.80
2.65
2.010
3.25
2.440
4.05
2.97
1.1/4"
32mm
1.656
42.90
2.65
2.580
3.25
3.140
4.05
3.84
1.1/2"
40mm
1.906
48.40
2.90
3.250
3.25
3.610
4.05
4.43
2"
50mm
2.375
60.30
2.90
4.110
3.65
5.100
4.47
6.17
2.1/2"
65mm
3.004
76.20
3.25
5.840
3.65
6.610
4.47
7.90
3"
80mm
3.500
88.90
3.25
6.810
4.05
8.470
4.85
10.1
4"
100mm
4.500
114.30
3.65
9.890
4.50
12.10
5.40
14.4
5"
125mm
5.500
139.70
-
-
4.85
16.20
5.40
17.8
6"
150mm
6.500
165.10
-
-
4.85
19.20
5.40
21.2

BIG DIAMETER ERW PIPES CONFIRM TO IS 3589
Wall Thickness
in mm
Nominal Bore
7" NB
193.7 mm OD
Nominal Bore
8" NB
219.1 mm OD
Nominal Bore
10" NB
273 mm OD
Nominal Bore
12" NB
323.7 mm OD
Nominal Bore
14" NB
355.6 mm OD
Nominal Bore
16" NB
406.4 mm OD
Nominal Bore
18" NB
457mm OD
Nominal Bore
7" NB
193.7 mm OD
 
kg/mtr
kg/mtr
kg/mtr
kg/mtr
kg/mtr
kg/mtr
kg/mtr
kg/mtr
4.85
22.59
25.62
32.07
38.13
-
-
-
-
5.20
24.17
27.43
34.34
40.85
-
-
-
-
5.60
26.00
29.28
36.93
43.93
48.11
-
-
-
6.00
27.88
31.53
39.50
47.02
51.49
61.00
69.00
-
6.35
29.34
33.28
41.73
49.67
54.43
62.35
70.50
78.50
7.01
32.27
36.76
46.43
55.45
61.82
69.04
-
-
7.94
-
41.00
50.95
61.85
67.98
77.92
87.80
-
8.18
-
42.56
53.42
65.12
-
-
-
-
9.53
-
51.50
60.24
73.75
81.21
93.13
105.00
117.00
12.70
-
-
-
-
107.28
123.30
139.00
155.00

Toleance on Thickness and Weight: as per IS 1239
The following manufacturing tolerance shall be permitted on the tubes and sockets.
a. Thickness
     1. Butt welded Light Tubes + not limited
-8 percent
     Medium and Heavy Tubes + not limited
-10 percent
     2. Seamless tubesTubes + not limited
-12.5 percent
b. Weight
     1. Single tube (light series) +10 percent
-8 percent
     2. Single tube (medium and heavy series) +10 percent

MAXIMUM PERMISSIBLE PRESSURE AND TEMPERATURE FOR TUBES
WITH STEEL COUPLING OR SCREWED AND SOCKETED JOINTS
Nominal Bore
Maximum Permissible
Pressure
 
Maximum Permissible
Temperature
mm
N/mm
kg./cm
C
Upto and including 25 mm
1.20
12.24
260
Over 25 mm upto and including 40 mm
1.03
10.50
260
Over 40 mm upto and including 80 mm
0.86
8.77
260
Over 80 mm upto and including 100 mm
0.69
7.04
260
 
0.83
8.47
177
Over 100 mm upto and including 125 mm
0.69
7.04
171
Over 125 mm upto and including 150 mm
0.50
5.10
160
For tubes fitted with appropriate flanges of suiably butt welded together, the max. permissible pressure shall be 21.00 kg/cm and max. permissible temp. 260 C