Standard

ASTM A 53 / BS 1387-1985 / JIS / DIN / GB / AS(NZS)

Steel Grade

Q195,Q235,Q345,G250, G350, G450, G550

Zinc coating

220 - 350 grams / m2

Standard Length

5.8 Metre / 6.0metre

*Processing :Threading ends , coupling and with plastic caps protected in two ends

*Cut to any length or special length available

Nominal Size

Wall Thickness

Outside Diameter(mm)

Black tube Weight
(kgs per metre)

Threaded

DN

DN

mm

MAX.

Min.

Pain End

mm

Inch

A

B

C

A

B

C

A

B

C

A

B

C

Thread number per inch

Length of pipe

15

1/2

2

2.6

3.2

21.4

21.7

21.7

21

21.1

21.1

0.99

1.27

1.5

14

11.4~15

20

3/4

2.3

2.6

3.2

26.9

27.2

27.2

26.4

26.6

26.6

1.44

1.63

1.94

14

12.7~16.3

25

1

2.6

3.2

4

33.8

34.2

34.2

33.2

33.4

33.4

2.06

2.5

3.03

11

14.5~19.1

32

1-1/4

2.6

3.2

4

42.5

42.9

42.9

41.9

42.1

42.1

2.64

3.22

3.92

11

16.8~21.4

40

1-1/2

2.9

3.2

4

48.4

48.8

48.8

47.8

48

48

3.35

3.7

4.51

11

16.8~21.4

50

2

2.9

3.6

4.5

60.2

60.8

60.8

59.6

59.8

59.8

4.23

5.21

6.36

11

21.1~25.7

65

2-1/2

3.2

3.6

4.5

76

76.6

76.6

75.2

75.4

75.4

5.9

6.65

8.15

11

23.2~30.2

80

3

3.2

4

5

88.7

89.5

89.5

87.9

88.1

88.1

6.94

8.64

10.58

11

26.3~33.3

100

4

3.6

4.5

5.4

113.9

114.9

114.9

113

113.3

-

10.06

12.59

14.88

11

32.3~39.3

125

5

-

5

5.4

-

140.6

140.6

-

138.7

-

-

17.06

18.31

11

36.6~43.6

150

6

-

5

5.4

-

166.1

166.1

-

164.1

-

-

20.25

21.79

11

36.6~43.6