SIZE

Linear Mass

lb/ft

Wall Thickness

MATERIAL

STANDARD

inch

mm

inch

mm

4 1/2”

114.3

9.5-15.10

0.205-0.337

5.21-8.56

API J55,K55,X42-80,

L80,N80,PSL1,

PSL2

API5L,API5CT

ASTM

JIS,

DIN,

GB

5”

127.0

11.50-24.10

0.22-0.50

5.59-12.7

5 1/2”

139.7

14.0-43.1

0.244-0.875

6.20-22.23

6 5/8”

168.28

20.0-32.0

0.288-0.475

7.32-12.06

7”

177.8

17.0-57.1

0.231-0.875

5.87-22.23

7 5/8”

193.68

24.0-55.3

0.30-0.75

7.62-19.05

7 3/4”

219.08

46.10

0.595

15.11

8 5/8”

219.08

24.0-49.0

0.264-0.557

6.71-14.15

9 5/8”

244.48

32.3-75.6

0.312-0.797

7.92-20.24

10 3/4”

273.05

32.75-85.30

0.279-0.797

7.09-20.24

11 3/4”

298.45

42.0-71.0

0.333-0.582

8.46-14.78

13 3/8”

339.73

48.0-72.0

0.33-0.514

8.38-13.06

16”

406.40

65.0-109.0

0.375-0.656

9.53-16.66

18 5/8”

473.08

87.50

0.435

11.05

20”

508.0

94.0-133.0

0.438-0.635

11.13-16.13