Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

BS 1387 black steel pipe,bs1387 galvanized steel pipe


BS 1387 Screwed and Socketed Steel tubes and plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads

BS 1387 black steel pipe,bs1387 galvanized steel pipe

STANDARD

CHEMICAL   COMPOSITION

MECHANICAL   PROPERTIES

Hydrostatic
Test

C

Mn

P

S

Yield
Strength

Tensile
Strength

Elongation

Max%

Max%

Max%

Max%

(Min)

(Min)

(Min)

(Bar)

Class Light

0.20

1.20

0.045

0.045

195

320-460

20

50

Class Medium

0.20

1.20

0.045

0.045

195

320-460

20

50

Class Heavy

0.20

1.20

0.045

0.045

195

320-460

20

50

 

Class Light Galvanized Steel Pipe

Nominal
Side
DN

Designation 
of
Thread

Outside Diameter

Wall
Thickness
mm.

Calculated Weight

Threads
per
25.4 mm.

Number
of piece
per Bundle

Min
mm.

Max
mm.

Plain Ends
kg/m

Threads&Coupling
kg/m

15

1/2

21.0

21.4

2.0

0.947

0.956

14

169

20

3/4

26.4

26.9

2.3

1.38

1.39

14

127

25

1

33.2

33.8

2.6

1.98

2.00

11

91

32

1 1/4

41.9

42.5

2.6

2.54

2.57

11

61

40

1 1/2

47.8

48.4

2.9

3.23

3.27

11

44

50

2

59.6

60.2

2.9

4.08

4.15

11

37

65

2 1/2

75.2

76.0

3.2

5.71

5.83

11

24

80

3

87.9

88.7

3.2

6.72

6.89

11

19

100

4

113.0

113.9

3.6

9.75

10.00

11

14

 

Class Medium Galvanized Steel Pipe

Nominal
Side
DN

Designation
of
Thread

Outside Diameter

Wall
Thickness
mm.

Calculated Weight

Threads
per
25.4 mm.

Number
of piece
per Bundle

Min
mm.

Max
mm.

Plain Ends
kg/m

Threads&Coupling
kg/m

15

1/2

21.1

21.7

2.6

1.21

1.22

14

169

20

3/4

26.6

27.2

2.6

1.56

1.57

14

127

25

1

33.4

34.2

3.2

2.41

2.43

11

91

32

1 1/4

42.1

42.9

3.2

3.10

3.13

11

61

40

1 1/2

48.0

48.8

3.2

3.57

3.61

11

44

50

2

59.8

60.8

3.6

5.03

5.10

11

37

65

2 1/2

75.4

76.6

3.6

6.43

6.55

11

24

80

3

88.1

89.5

4.0

8.37

8.54

11

19

100

4

113.1

114.9

4.5

12.20

12.50

11

14

125

5

138.7

140.6

5.0

16.60

17.10

11

7

150

6

164.1

166.1

5.0

19.70

20.30

11

7

 

Class Heavy Galvanized Steel Pipe

Nominal
Side
DN

Designation
of
Thread

Outside Diameter

Wall
Thickness
mm.

Calculated Weight

Threads
per
25.4 mm.

Number
of piece
per Bundle

Min
mm.

Max
mm.

Plain Ends
kg/m

Threads & Coupling
kg/m

15

1/2

21.1

21.7

3.2

1.44

1.45

14

169

20

3/4

26.6

27.2

3.2

1.87

1.88

14

127

25

1

33.4

34.2

4.0

2.94

2.96

11

91

32

1 1/4

42.1

42.9

4.0

3.8

3.83

11

61

40

1 1/2

48.0

48.8

4.0

4.38

4.42

11

44

50

2

59.8

60.8

4.5

6.19

6.26

11

37

65

2 1/2

75.4

76.6

4.5

7.93

8.05

11

24

80

3

88.1

89.5

5.0

10.30

10.50

11

19

100

4

113.3

114.9

5.4

14.50

14.80

11

14

125

5

138.7

140.6

5.4

17.90

18.40

11

7

150

6

164.1

166.1

5.4

21.30

21.90

11

7

 

Tolerance

Class Light

Class Medium

Class Heavy

Wall Thickness :

- 8%  + not limit

- 10%  + not limit

- 10%  + not limit

Weight :

+ 10% , - 8% per piece   /  ± 4% per Bundle (Over 500 ft)

Length :

+ 50 mm.  ,  - 0 mm.

 

 

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