Dimensions and weight of ERW Black and Galvanized Steel Tubes, Outside Diameter, Wall Thickness, Plain Ends, Screwed and Socketed, ERW Steel Pipes for Water Gas and Sewage, Steel Tubes for Water Wells, Casing Pipes,

Nominal Bore (NB)

Series

Outside Diameter

Wall Thickness

Plain Ends

Screwed & Socketed

mm

inch

Min mm

Max mm

mm

SWG

Kg/Mtr

Mtrs/Tone

Kg/Mtr

Mtrs/Tone

15

(1/2")

L

21.00

21.40

2.00

14

0.947

1056

0.956

1046

H

21.00

21.80

2.60

12

1.21

826

1.22

820

M

21.00

21.80

3.20

10

1.44

694

1.45

690

20

(3/4")

L

26.40

26.90

2.30

13

1.38

725

1.39

719

H

26.50

27.30

2.60

12

1.56

641

1.57

637

M

26.50

27.30

3.20

10

1.87

535

1.88

532

25

(1")

L

33.20

33.80

2.60

12

1.98

505

2.00

500

H

33.30

34.20

3.20

10

2.41

415

2.43

412

M

33.30

34.20

4.00

8

2.93

341

2.95

339

32

(1 1/4")

L

41.90

42.50

2.60

12

2.54

394

2.57

389

H

42.00

42.90

3.20

10

3.10

323

3.13

319

M

42.00

42.90

4.00

8

3.79

264

3.82

262

40

(1 1/2")

L

47.80

48.40

2.90

11

3.23

310

3.27

306

H

47.90

48.80

3.20

10

3.56

281

3.60

278

M

47.90

48.80

4.00

8

4.37

229

4.41

227

50

(2")

L

59.60

60.20

2.90

11

4.08

245

4.15

241

H

59.70

60.80

3.60

9

5.03

199

5.10

196

M

59.70

60.80

4.50

7

6.19

162

6.26

160

65

(2 1/2")

L

75.20

76.00

3.20

10

5.74

175

5.83

172

H

75.30

76.60

3.60

9

6.42

156

6.54

153

M

75.30

76.60

4.50

7

7.93

126

8.05

124

80

(3")

L

87.90

88.70

3.20

10

6.72

149

6.89

145

H

88.00

89.50

4.00

8

8.36

120

8.53

117

M

88.00

89.50

4.80

6

9.90

101

10.40

96

100

(4")

L

113.00

113.90

3.60

9

9.75

103

10.00

100

H

113.10

115.00

4.50

7

12.20

82

12.50

80

M

113.10

115.00

5.40

5

14.50

69

14.80

68

125

(5")

H

138.50

140.80

4.80

6

15.90

63

16.40

61

M

138.50

140.80

5.40

5

17.90

56

18.40

54

150

(6")

H

163.90

163.90

4.80

6

18.90

53

19.50

51

M

163.90

166.50

5.40

5

21.30

47

21.90

46

Thickness:

Light Tubes

:

+ Not Limited
-  8%

Medium & Heavy Tubes

:

+ Not Limited
- 10% 

Weight:

Single Tube (Light Series)

:

+ 10% 
- 8%

Single tube (Medium & Heavy Series)

:

±10%

For quantities per load of 10 tonnes min (Light Series)

:

±5%

For quantities per load of 10 tonnes min (Medium & Heavy)

:

±7.5%

Length:

Light, Medium & Heavy Tubes : Random length of 4 to 7 meters unless otherwise specified.

ERW Steel Pipes for Water Gas & Sewage as per IS-3589 / 1991

Nominal size

Outer Diameter

Thickness

Theoretical Weight

(NB)mm

(OD)mm

mm

Kg./Mtrs.

Mtrs./Ton

150

168.3

4.00

16.21

61.70

150

168.3

4.50

18.17

55.00

150

168.3

4.80

19.35

51.68

150

168.3

5.00

20.14

49.66

150

168.3

5.40

21.69

46.10

150

168.3

6.00

21.02

41.64

150

168.3

7.00

27.84

35.92

175

193.7

4.00

18.70

53.00

175

193.7

4.50

21.00

48.00

175

193.7

4.80

22.35

44.72

175

193.7

5.00

23.30

43.00

175

193.7

5.40

25.10

40.00

175

193.7

6.00

27.80

36.00

175

193.7

7.00

32.20

31.00

200

219.1

4.00

21.22

47.13

200

219.1

4.50

23.81

42.00

200

219.1

4.80

25.36

39.43

200

219.1

5.00

26.40

37.87

200

219.1

5.40

28.46

35.13

200

219.1

6.00

31.53

31.781

200

219.1

7.00

36.61

27.31

250

273.1

4.00

26.54

378.68

250

273.1

4.50

29.80

33.55

250

273.1

4.80

31.74

31.50

250

273.1

5.00

33.05

30.25

250

273.1

5.40

35.63

28.00

250

273.1

6.00

39.51

25.31

250

273.1

7.00

45.92

21.77

Tolerances :-

Thickness :

Outside Diameter  :

±10%

± 0.75

Length     : 

Random length 4 to 7 metres Unless otherwise specified.

Production Specification :-

IS: 1239 (Part – I)

Mild Steel tubes, tubulars and other wrought steel  fittings

IS: 1161

Mild steel tubes used for structural purpose.

IS: 3589

Seamless or electrically welded steel pipes for water, gas & sewage.

IS: 4270

Steel tubes used for water wells.

IS: 1978

Specification for line pipe.

IS: 11722

Thin walled flexible quick coupling pipes.

IS: 1387

Screwed and socketted steel tubes and tubular.

Steel Tubes for Water Wells (Casing Pipes) Conforming to IS: 4270 / 1992

Nominal Bore (N.B)

Outside Diameter

Thickness

Theoretical Weight Plain End.

mm

mm

Kg/m

M/Tone

100

114.3

5.0

13.38

74

125

141.3

5.0

16.80

59

150

168.3

5.0

20.13

49

175

193.7

5.4

25.10

40

200

219.1

5.4

28.46

35

225

244.5

6.0

35.29

28

250

273.0

7.1

46.57

21

A.  PHYSICAL PROPERTIES :-

Grade

Y.S (min)

T.S. (min)

% age

MPa (Kg/mm2)

MPa (Kg/mm2)

Elognation

Fe 410

240

410

9500/TS

Fe 450

305

450

9500/TS

B.   TOLERANCES :-

i)

Outside diameter of pipe

:

+1.0%

ii)

Thickness
Upto 406.4 mm OD

:

+15% 
- 12.5%

iii)

Weight
Single Tube

:

+10%
- 8%

iv)

Length

:

Random length of 4 to 7 meters unless otherwise specified.

Dimensions and Weight of Black & Galvanised Steel Tubes Conforming to BS: 1387/ASTM A-120

NB & Series

Approx. Outside Diameter

Wall Thickness

Approx. Weight of Tubes

Sockets

mm

Min. mm

Max. mm

mm

Gauge

Kg/Mtr

Mtr/MT

Kg/Mtr

Mtr/MT

No. of Pipes

O.D

Length

15L

21.0

21.4

2.0

14

0.947

1055

0.956

1046

174

27.0

37

M

21.1

21.7

2.6

12

1.21

826

1.22

819

136

-

-

H

26.1

21.7

3.2

10

1.44

694

1.45

689

114

-

-

20L

26.4

26.9

2.3

13

1.38

724

1.39

719

119

32.5

39

M

26.6

27.2

2.6

12

1.56

641

1.57

636

106

-

-

H

26.6

27.2

3.2

10

1.87

534

1.88

513

88

-

-

25L

33.2

33.8

2.6

12

1.98

505

2.00

500

83

39.5

46

M

33.4

34.2

3.2

10

2.41

405

2.43

412

68

-

-

H

33.4

34.2

4.0

8

2.94

341

2.96

338

56

-

-

32L

41.9

42.5

2.6

12

2.54

394

2.57

389

65

49.0

51

M

42.1

42.9

3.2

10

3.10

322

3.13

319

53

-

-

H

42.1

42.9

4.0

8

3.79

264

3.82

261

43

-

-

40L

47.8

48.4

2.9

11

3.23

309

3.27

305

51

56.0

51

M

48.0

48.8

3.2

10

3.57

280

3.61

227

46

-

-

H

48.0

48.8

4.0

8

4.38

229

4.42

226

37

-

-

50L

59.6

60.2

2.9

11

4.08

245

4.15

241

40

68.0

60

M

59.8

60.8

3.6

9

5.03

199

5.10

196

32

-

-

H

59.8

60.8

4.5

7

6.19

161

6.26

159

26

-

-

65L

75.2

76.0

3.2

10

5.71

175

5.83

171

28

84.0

69

M

75.4

76.6

3.6

9

6.43

156

6.55

153

25

-

-

H

75.4

76.6

4.5

7

7.93

126

8.05

124

20

-

-

80L

87.9

88.7

3.2

10

6.72

149

6.89

145

24

98.0

75

M

88.1

89.5

4.0

8

8.37

120

8.54

117

19

-

-

H

88.1

89.5

5.0

6

10.30

97

10.50

95

16

-

-

100L

113.0

113.9

3.6

9

9.75

102

10.00

100

16

124.0

87

M

113.3

114.9

4.5

7

12.20

82

12.50

80

13

-

-

H

113.3

114.9

5.4

5

14.50

69

14.80

67

11

-

-

125M

138.7

140.6

5.0

6

16.60

60

17.10

58

10

151.0

-

H

138.7

140.6

5.4

5

17.90

56

18.40

54

8

-

-

150M

164.1

166.1

5.0

6

19.70

51

20.30

49

8

178.0

96

H

164.

166.1

5.4

5

21.30

46

21.90

45

7

-

-

Tolerances :-

Thickness:

Light Tubes

:

+ Not Limited
-  8%

Medium & Heavy Tubes

:

+ Not Limited
- 10% 

Weight:

Light, Medium

:

For quantities of 150 metres : ± 4% 
and over of one size
For single Tube : + 10%
                          - 8%

Length:

Light, Medium & Heavy Tubes : Random length of 4 to 7 meters unless otherwise specified.