规格

钢级及扣型

执行标准

外径

mm （ in ）

壁厚

mm

H40

J55 、 K55

M65

L80 、 C95

N801 、 N80Q

C90 、

T95

P110

Q125

API SPEC 5CT

ISO11960

114.30

(4-1/2)

5.21

S

S

S

5.69

S/B

S/B

6.35

S/L/B

L/B

L/B

L/B

L/B

L/B

7.37

L/B

L/B

L/B

L/B

L/B

8.56

L/B

L/B

127.00

(5)

5.59

S

S

6.43

S/L/B

S/L/B

7.52

S/L/B/E

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

9.19

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

L/B/E

11.10

L/B

L/B

L/B

L/B

L/B

L/B

12.14

L/B

L/B

L/B

L/B

L/B

12.70

L/B

L/B

L/B

L/B

L/B

139.70

(5-1/2)

6.20

S

S

S

6.98

S/L/B/E

S/L/B

7.72

S/L/B/E

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

9.17

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

10.54

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

S/L/B/E

168.28

(6-5/8)

7.32

S

S/L/B

S/L/B

8.94

S/L/B/E

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

10.59

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

12.06

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

S/L/B/E

177.80

(7)

6.91

S

S

S

8.05

S/L/B/E

L/B

S/L/B/E

S/L/B/E

L/B/E

9.19

S/L/B

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

10.36

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

11.51

L/B

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

12.65

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

S/L/B/E

13.72

S/L/B/E

S/L/B/E

L/B/E

S/L/B/E

S/L/B/E

193.68

(7-5/8)

8.33

S/L/B

S/L/B

L/B/E

9.52

L/B

L/B

L/B

L/B/E

L/B

10.92

L/B

L/B

L/B

L/B/E

L/B

12.70

L/B

L/B

L/B/E

L/B

L/B

14.27

L/B

L/B

L/B

L/B

L/B

15.11

L/B

L/B

L/B

L/B

L/B

15.86

L/B

L/B

L/B

L/B

L/B