MILD STEEL PIPES CONFIRM TO IS : 1239 (PART I) – 1979

Nominal Bore
Outside Diameter
Light (A-Class) Thickness Weight
Medium (B-Class) Thickness Weight
Heavy (C-Class) Thickness Weight
Inch
mm
Inch
mm
mm
kg/mtr
mm
kg/mtr
mm
kg/mtr
1/8"
3 mm
0.406
10.32
1.8
0.361
2
0.407
2.65
0.493
1/4"
6 mm
0.532
13.49
1.8
0.517
2.35
0.65
2.9
0.769
3/8"
10 mm
0.872
17.1
1.8
0.674
2.35
0.852
2.9
1.02
1/2"
15 mm
0.844
21.43
2
0.952
2.65
1.122
3.25
1.45
3/4"
20 mm
1.094
27.2
2.35
1.41
2.65
1.58
3.25
1.9
1"
25 mm
1.312
33.8
2.65
2.01
3.25
2.44
4.05
2.97
1.1/4"
32 mm
1.656
42.9
2.65
2.58
3.25
3.14
4.05
3.84
1.1/2"
40 mm
1.906
48.4
2.9
3.25
3.25
3.61
4.05
4.43
2"
50 mm
2.375
60.3
2.9
4.11
3.65
5.1
4.47
6.17
2.1/2"
65 mm
3.004
76.2
3.25
5.84
3.65
6.61
4.47
7.9
3"
80 mm
3.5
88.9
3.25
6.81
4.05
8.47
4.85
10.1
4"
100 mm
4.5
114.3
3.65
9.89
4.5
12.1
5.4
14.4
5"
125 mm
5.5
139.7
-
-
4.85
16.2
5.4
17.8
6"
150 mm
6.5
165.1
-
-
4.85
19.2
5.4
21.2