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》石油管线钢管(直缝电阻焊钢管 ERW ) Time:2015-05-02Views:3031
Product Price:¥2,990.00

    

  产品执行标准

  GB/T9711-2011 eqv  ISO 3183:2007   石油天然气工业管线输送系统用钢管

      Petroleum and natural gas industries—Steel pipe for pipelines transportation systems

  API Spec 5L (第45版)   管线钢管规范  Specification for Line Pipe

  适用范围

  石油天然气工业输送水、气、油的钢管

   The purpose of this speciÞcation is to provide standards for pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries.

  钢材牌号

  L245 L290L320L360L390L415L450L485L555

  B  X42 X46 X52  X56 X60 X65 X70X80X90X100X120

  L245ML245ML290ML320M L360ML390ML415ML450ML485ML555ML625ML690ML830M

  产品目录

 

    壁厚 Inch

              外径         mm

Inch      mm

0.08

0.11

0.13

0.14

0.16

0.17

0.19

0.22

0.25

0.28

0.31

0.34

0.37

0.44

0.5

0.56

2.1

2.8

3.2

3.6

4.0

4.4

4.8

5.7

6.4

7.1

7.8

8.7

9.3

11.1

12.7

14.3

4

101.6

5.15

6.82

7.77

8.7

9.63

10.55

11.46

13.48

15.03

16.55

41/2

114.3

5.81

7.7

8.77

9.83

10.88

11.93

12.96

15.27

17.03

18.77

20.49

59/16

141.3

7.21

9.56

10.9

12.23

13.54

14.86

16.16

19.06

21.29

23.5

25.68

28.45

65/8

168.3

8.61

11.43

13.03

14.62

16.21

17.78

19.35

22.86

25.55

28.23

30.87

34.24

36.47

103/4

219.1

11.24

14.94

17.04

19.13

21.22

23.3

25.37

30

33.57

37.12

40.65

45.14

48.12

56.94

103/4

273.1

14.03

18.66

21.3

23.93

26.55

29.16

31.76

37.59

42.09

46.58

51.03

56.73

60.5

71.72

81.56

123/4

323.9

16.67

22.17

25.31

28.44

31.56

34.67

37.77

44.73

50.11

55.47

60.8

67.63

72.15

85.63

97.47

109.18

14

355.6

18.31

24.36

27.81

31.25

34.68

38.11

41.53

49.19

55.12

61.02

66.9

74.43

79.42

94.3

107.4

120.36


   主要技术指标:

            钢管的外径及不圆度、壁厚允许偏差    单位:mmin

 

外 径 D

mmin

外径允许偏差  mmin

不圆度偏差

mmin

管体

管端(距离管端100㎜范围内)

D60.3(2.375)

-0.8(0.031)+0.40.016

-0.8(0.031)+0.40.016

0.90.036

60.32.375)≤D168.36.625

±0.0075D

-0.4(0.016)+0.160.063

D/T75 0.015D

D/T75时 协议

168.36.625)<D61024.00

±0.0075D

 最大为±3.20.125

±0.005D

 最大为±1.60.063

0.015D

1、管端包括钢管每个端头100mm4.0in)长度范围内的钢管;


                  钢管的壁厚允许偏差    单位:mmin) 

壁厚

壁厚允许偏差

T5.00.197

±0.50.020

5.00.197)<T15.00.591

±0.1T

15.00.591)≤T

±1.50.060

1、如果订货合同规定的壁厚负偏差比本表给出的对应数值小,则壁厚正偏差应增加一些数值,以保证相应的偏差范围;

2、壁厚正偏差不适用于焊缝区域;


 

 
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