T 流体输送用不锈钢无缝钢管参数.docx

T 流体输送用不锈钢无缝钢管参数.docx

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T流体输送用不锈钢无缝钢管参数

流体输送用不锈钢无缝钢管（GB/T14976-1994）

（1）尺寸规格6-25,6-26

（2）允许偏差6-27

（3） 牌号和化学成分6-28（4）力学性能6-29

表6-25流体输送用不锈钢热轧（挤，扩）无缝钢管的尺寸规格

外径

壁厚

4.5

5

6

7

8

9

10

11

12

13

14

15

16

17

19

68

◎

◎

◎

◎

◎

◎

◎

◎

◎

70

◎

◎

◎

◎

◎

◎

◎

◎

◎

73

◎

◎

◎

◎

◎

◎

◎

◎

◎

76

◎

◎

◎

◎

◎

◎

◎

◎

◎

80

◎

◎

◎

◎

◎

◎

◎

◎

◎

83

◎

◎

◎

◎

◎

◎

◎

◎

◎

89

◎

◎

◎

◎

◎

◎

◎

◎

◎

95

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

102

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

108

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

114

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

121

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

127

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

133

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

140

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

146

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

152

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

159

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

168

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

180

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

194

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

219

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

◎

245

◎

◎

◎

◎

◎

◎

◎

◎

◎

237

◎

◎

◎

◎

◎

◎

◎

325

◎

◎

◎

◎

◎

◎

◎

351

◎

◎

◎

◎

◎

◎

◎

377

◎

◎

◎

◎

◎

◎

◎

426

◎

◎

◎

◎

◎

◎

◎

注:

1.◎表示热轧管规格。

2．根据需方要求，经供需双方协议，可供应表6-25和表6-26规格以外的其他尺

寸的钢管，尺寸偏差执行相邻较大规格的规定。

表6-26流体输送用不锈钢冷拔（轧）钢管的尺寸规格

外径

壁厚

0.5

0.6

0.8

1.0

1.2

1.4

1.5

1.6

2.0

2.2

2.5

2.8

3.0

3.2

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

10

11

12

13

14

15

6

●

●

●

●

●

●

●

●

●

7

●

●

●

●

●

●

●

●

●

8

●

●

●

●

●

●

●

●

●

9

●

●

●

●

●

●

●

●

●

●

●

10

●

●

●

●

●

●

●

●

●

●

●

11

●

●

●

●

●

●

●

●

●

●

●

12

●

●

●

●

●

●

●

●

●

●

●

●

●

13

●

●

●

●

●

●

●

●

●

●

●

●

●

14

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

15

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

16

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

17

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

18

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

19

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

20

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

21

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

22

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

23

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

24

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

25

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

27

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

28

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

30

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

32

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

34

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

35

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

36

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

38

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

40

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

42

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

45

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

48

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

50

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

51

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

53

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

54

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

56

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

57

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

60

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

63

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

65

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

68

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

70

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

73

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

75

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

76

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

80

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

83

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

85

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

89

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

90

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

95

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

100

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

102

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

108

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

114

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

127

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

133

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

140

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

146

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

159

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

168

180

194

219

245

273

325

351

377

426

注：

●表示冷拔（轧）钢管规格。

表6-27流体输送用不锈钢无缝钢管的尺寸允许规格偏差壁厚

热轧（挤压，扩）管

冷拔（轧）管

尺寸/mm

允许偏差/mm

尺寸/mm

允许偏差/mm

普通级

较高级

普通级

较高级

外径

D

68≤D≤159

±1.25

±1

外径

D

6~10

±0.20

±0.15

>10~30

±0.30

±0.20

159

±1.5

>30~50

±0.40

±0.30

>50

±0.9%

±0.8%

壁厚

S

>15

+15

-12.5

±12.5

壁厚

S

0.5~1

±0.15

±14%

±0.12

>1~3

+12%

-10%

≥15

+20

-15

>3

+12%

-10%

±10%

注：

钢管的弯曲度不得大于如下规定：

壁厚<15mm………………………………………………………1.5mm/m

壁厚≥15mm………………………………………………………2.0mm/m

热扩管………………………………………………………3.0mm/m

表6-28流体输送用不锈钢无缝钢管的牌号和化学成分

组织类型

序号

牌号

化学成分（质量分数）（%）

C

Si

Mn

P

S

Ni

Cr

Mo

Ti

其他

奥

氏

体型

1

0Cr18Ni9

≤0.07

≤1.00

≤2.00

≤0.035

≤0.030

8.00~

11.00

17.00~

19.00

-

-

-

2

00Cr19Ni10

≤0.030

≤1.00

≤2.00

≤0.035

≤0.0300

8.00~

12.00

18.00~

20.00

-

-

-

3

0Cr23Ni13

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

12.00~

15.00

22.00~

24.00

-

-

-

4

0Cr25Ni20

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

19.00~

22.00

24.00~

26.00

-

5wc~0.70

-

5

0Cr18Ni10Ti

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

9.00~

12.00

17.00~

19.00

-

≥5wc

-

6

0Cr18Ni11Nb

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

9.00~

13.00

17.00~

19.00

-

-

Nb≥10wc

7

0Cr17Ni14Mo2

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

10.00~

14.00

16.00~

18.50

2.00~3.00

-

-

8

00Cr17Ni14Mo2

≤0.030

≤1.00

≤2.00

≤0.035

≤0.030

12.00~

15.00

16.00~

18.00

2.00~3.00

-

-

9

0Cr19Ni13Mo3

≤0.08

≤1.00

≤2.00

≤0.035

≤0.030

11.00~

15.00

18.00~

20.00

3.00~4.00

-

-

10

00Cr19Ni13Mo3

≤0.030

≤1.00

≤2.00

≤0.035

≤0.030

11.00~

15.00

18.00~

20.00

3000~4.00

-

-

11

0Cr18Ni12Mo2Ti

≤0.08

≤1.00

≤2.00

≤