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  Specifications Chart ...

 

MS 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

1.80

0.361

2.00

2.65

0.493

1/4"

6 mm

0.532

13.49

1.80

0.517

2.35

0.407

2.90

0.769

3/8"

10 mm

0.872

17.10

1.80

0.674

2.35

0.852

2.90

1.02

1/2"

15 mm

0.844

21.43

2.00

0.952

2.65

1.122

3.25

1.45

3/4"

20 mm

1.094

27.20

2.35

1.410

2.65

1.580

3.25

1.90

1"

25 mm

1.312

33.80

2.65

2.010

3.25

2.440

4.05

2.97

1.1/4"

32 mm

1.656

42.90

2.65

2.580

3.25

3.140

4.05

3.84

1.1/2"

40 mm

1.906

48.40

2.90

3.250

3.25

3.610

4.05

4.43

2"

50 mm

2.375

60.30

2.90

4.110

3.65

5.100

4.47

6.17

2.1/2"

65 mm

3.004

76.20

3.25

5.840

3.65

6.610

4.47

7.90

3"

80 mm

3.500

88.90

3.25

6.810

4.05

8.470

4.85

10.1

4"

100 mm

4.500

114.30

3.65

9.890

4.50

12.10

5.40

14.4

5"

125 mm

5.500

139.70

-

-

4.85

16.20

5.40

17.8

6"

150 mm

6.500

165.10

-

-

4.85

19.20

5.40

21.2

BIG DIAMETER MS ERW PIPES CONFIRM TO IS 3589-1991[GRADE 330/410]

Wall Thickness

NominalBore 7" NB 193.7 mm OD

NominalBore 8" NB 219.1 mm OD

NominalBore 10" NB 273 mm OD

NominalBore 12" NB 323.7 mm OD

NominalBore 14" NB 355.6 mm OD

NominalBore 16" NB 406.4 mm OD

NominalBore 18" NB 457mm OD

NominalBore 20" NB 508 mm OD

mm

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

32.77

36.76

46.43

55.45

61.82

69.04

-

-

7.94

-

41.00

50.95

61.85

67.98

77.94

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

Tolerance 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 Tubes 

+Not Limited
- 12.5 percent

 

(b) Weight :

(1)

Single tube (light series) 

+10 percent
- 8 percent

(2)

Single tube
(medium & heavy Series)

+10 percent

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