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MS Black Round Tubes

MS Black Round Tubes

Applications Surface Protection
  • Liquid Tranmission
  • Idlers
  • Mechanical and General Engineering
  • Structural
  • Water adn Sewage
  • Wate Wells
  • Fire Protections
  • Fencing
  • Black (Self Colored Uncoated)
  • Outside Protective Coating-oil/Varnish
  • Hot Dip Galvanised
  • Pre-Galvanised

TECHNICAL DATA OF BLACK & GALVANISED STEEL TUBES AS PER IS:1239

As Per IS - 1239 (Part-1) / BS : 1387/1985

NB and Series

Outside Diameter

Wall Thikness

Nominal Weight

Min.

Max

Plain End

Screwed & Socketed

 

 

mm

mm

mm

SWG

Kg/M

Meters/Tones

Kg/M

Meters/Tonne

15

L

21.0

21.4

2.0

14.0

0.95

1052.0

0.96

1046.0

M

21.0

21.8

2.6

12.0

1.21

826.0

1.22

820.0

H

21.0

21.8

3.2

10.0

1.44

694.0

1.45

690.0

20

L

26.4

26.9

2.3

13.0

1.38

7125.0

1.39

719.0

M

26.5

27.3

2.6

12.0

1.56

641.0

1.57

637.0

H

26.5

27.3

3.2

10.0

1.87

535.0

1.88

532.0

25

L

33.2

33.8

2.6

12.0

1.98

505.0

2.00

500.0

M

33.3

34.2

3.2

10.0

2.41

415.0

2.43

411.5

H

33.3

34.2

4.0

8.0

2.93

341.0

2.95

339.0

32

L

41.9

42.5

2.6

12.0

2.54

394.0

2.57

389.0

M

42.0

42.9

3.2

10.0

3.10

322.0

3.13

319.0

H

42.0

42.9

4.0

8.0

3.79

264.0

3.82

262.0

40

L

47.8

48.4

2.9

11.0

3.23

310.0

3.27

306.0

M

47.8

48.8

3.2

10.0

3.56

281.0

3.60

278.0

H

47.9

48.8

4.0

8.0

4.37

229.0

4.41

227.0

50

L

59.6

60.2

2.9

11.0

4.08

245.0

4.15

241.0

M

59.7

60.8

3.6

9.0

5.03

199.0

5.10

196.0

H

59.7

60.8

4.5

7.0

6.19

161.0

6.26

160.0

60

L

75.2

76.0

3.2

10.0

5.74

175.0

5.83

171.5

M

75.3

76.6

3.6

9.0

6.42

156.0

6.54

153.0

H

75.3

76.6

4.5

7.0

7.93

126.0

8.05

124.0

80

L

87.9

88.7

3.2

10.0

6.72

149.0

6.89

145.0

M

88.0

89.5

4.0

8.0

8.36

120.0

8.53

117.0

H

88.0

89.5

4.8

6.0

9.90

101.0

10.10

96.0

100

L

113.0

113.9

3.6

9.0

9.75

102.0

10.00

100.0

M

113.1

115.0

4.5

7.0

12.20

82.0

12.50

8.0

H

113.1

115.0

5.4

5.0

14.50

69.0

14.80

67.5

125

M

138.5

140.8

4.8

6.0

15.90

63.0

16.40

61.0

H

138.5

140.8

5.4

5.0

17.90

56.0

18.40

54.0

150

M

163.9

165.5

4.8

6.0

18.90

53.0

19.50

51.0

H

163.9

166.5

5.4

5.0

21.30

47.0

21.90

46.0

Thickness & Mass are applicable for Black & Galvanised steel tubes as per clause 8.1.1 or IS : 1239(Part-1)2004
This specification conforms to CE Mark conferred Det Norske Veritas, Netheriands.

Tolerance

A- Thickness Tolerance B-Weight Tolerance Length Tolerance
1. Light tubes
2. Medium & Heavy Tubes
+ Not limited -8%
+ not limited -10%
1. Single Tube (Light Series)
2. Single Tube (Medium & Heavy Series)
3. For quantities per load of 10 tonnes minimum (Light Series)
4. For quantities per load of 10 tonnes minimum (Medium and Heavy Series)
+ 10% -8%
+ 10%
+ 7.5% - 5%

+7.5%
Unless otherwise
Specified 4 to 7 mtrs.
Can also be supplied in
Fix Lengths +5cm.