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ERW steel pipe

ERW steel pipe

ERW pipes
High Frequency Longitudinal Resistance Welded steel pipe.
ERW pipes Application : common welded steel tube is mainly used for low-medium pressure fluid and precision mechanics manufacturing applications ,such as water and gas conveyance, steam heating system, thermoelectricity, project construction, and bridge structure. Oil and natural gas conveyance steel tube is mainly used for long-distance conveyance of medium and high pressure fluid.
Production capacity : 160,000 tons per year
Standard : ASATM A53-05,API 5L,API 5CT…
The nominal outside diameter, nominal wall thickness and weight per unit length of High Frequency Longitudinal Resistance Welded steel pipe  (ERW steel pipe)
The nominal outside diameter,nominal wall thickness and weight per unit length of high-frequency longitudinal resistance welded steel pipe(GB/T3091-2008,GB/T13793-2008,GB/T9711.1-1997,GB/T9711.2-1999,ASTM A53-05,API Spec 5L 44th eidtion,API Spec 5CT 8th edition)

nominal outside diameter

 nominal thickness W.T.(mm)

nominal O.D.

mm

in

3.2

4

4.8

6.4

7.1

7.9

8.7

9.5

10.3

11.1

12.7

14.3

15.9

  Unitlength ewa;thickness(Kg/m)

21.3

0.84

1.43

 

 

 

 

 

 

 

 

 

 

 

 

26.7

1.05

1.85

 

 

 

 

 

 

 

 

 

 

 

 

33.4

1.315

2.38

2.9

 

 

 

 

 

 

 

 

 

 

 

42.2

1.66

3.08

3.77

 

 

 

 

 

 

 

 

 

 

 

48.3

1.9

3.56

4.37

 

 

 

 

 

 

 

 

 

 

 

60.3

2002-3-8

4.51

5.55

 

 

 

 

 

 

 

 

 

 

 

73

2002-7-8

5.51

6.81

8.07

 

 

 

 

 

 

 

 

 

 

88.9

2003-1-2

6.76

8.38

9.95

13.02

14.32

 

 

 

 

 

 

 

 

114.3

2004-1-2

8.77

10.88

12.96

17.03

18.77

 

 

 

 

 

 

 

 

139.7

2005-1-2

 

13.39

15.97

21.04

23.22

25.68

 

 

 

 

 

 

 

141.3

2005-9-16

 

13.54

16.16

21.29

23.5

25.99

28.45

 

 

 

 

 

 

159

 

 

15.29

18.25

24.08

26.6

29.44

32.25

 

 

 

 

 

 

168.3

2006-5-8

 

16.21

19.35

25.55

28.22

31.25

34.24

37.2

 

 

 

 

 

177.8

7

 

 

20.48

27.05

29.89

33.1

36.28

39.43

 

 

 

 

 

193.7

2007-5-8

 

 

22.36

29.56

32.67

36.2

39.69

43.15

 

 

 

 

 

219.1

2008-5-8

 

 

25.37

33.57

37.12

41.14

45.14

49.1

53.03

56.94

64.64

 

 

244.5

2009-5-8

 

 

28.37

37.58

41.57

46.1

50.59

55.05

59.49

63.89

72.6

 

 

273.1

2010-2-4

 

 

31.76

42.09

46.57

51.66

56.72

61.75

66.75

71.72

81.55

 

 

323.9

2012-3-4

 

 

37.77

50.11

55.47

61.56

67.62

73.65

79.65

85.62

97.46

109.18

 

339.7

2013-3-8

 

 

39.64

52

58.23

64.64

71.01

77.36

83.67

89.95

102.41

114.75

126.96

355.6

14

 

 

 

55.11

61.02

67.74

74.42

81.08

87.71

94.3

107.4

120.34

133.1943

377

 

 

 

 

58.49

64.76

71.91

79.02

86.09

93.14

100.16

114.09

127.9

141.5351

406.4

16

 

 

 

63.13

69.91

77.63

85.32

92.98

100.61

106.2

123.3

138.27

153.1127

426

 

 

 

 

66.22

73.34

81.45

89.53

97.57

105.6

113.57

129.44

145.18

160.7977

457.2

18

 

 

 

71.15

78.81

87.53

76.22

104.88

113.51

122.11

129.21

156.18

173.0311

508

20

 

 

 

79.16

87.7

97.43

107.12

116.78

126.41

136.01

155.12

174.1

192.9495

Note:According to the agreement between the supply and requesting parties,steel tubes whose dimension be between the nominal outside diameter and nominal wall thickness listed in above table are available.

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