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   buliding, 138#,DongYue street Taian City,Shandong Province
Tel: +0086-538-6999022   
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Email:steel@haisteel.com

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Technical index of welded steel pipe in China

 

Date:[12/29/2010]    Source:Shandong Hai Steel Co.,Ltd

 

nominal diameter

outer diameter

common steel pipe

heavy thickness steel pipe

m

size()

tolerance

thickness

Theoretical
Weight
/ m

thickness

Theoretical
Weight(
/ m)

size()

tolerance

size

tolerance

15

1.2

21.3

±0.50mm

2.75

+12%

+15%

1.25

3.25

+12%

+15%

1045

20

3.4

28.8

2.75

1.63

3.50

2.01

25

1

33.5

3.25

2.12

4.00

2.91

32

1.25

42.3

3.25

3.13

4.00

3.78

40

1.5

48.0

± 1%

3.50

3.84

4.25

4.58

50

2

60.0

3.50

4.88

4.50

6.16

65

2

75.5

3.75

6.64

4.50

7.88

80

3

88.5

4.00

8.31

4.75

9.81

100

4

114.0

4.00

10.85

5.00

13.44

125
5
140.0
4.50
15.04
5.50
18.24
150
6
165.0
4.50
17.81
4.50
21.63

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Copyright:Shandong Hai Steel Co.,Ltd   Address:F6 Dongsheng buliding,138#,DongYue street Taian City Aodobi
Tel:+0086-538-6999022    Fax:+0086-538-6997199   Email:steel@haisteel.com