Casing Technical Specification (Standard API)

Size

Outside Diameter

Inside Diameter

Grade

Wall Thickness

in

mm

in

mm

in

mm

4-1/2

4.500

114.30

4.000

101.60

J55K55N80

0.250

6.35

3.920

99.57

J55K55N80

0.290

7.37

5

5.000

127.00

4.408

111.96

J55K55N80

0.296

7.52

4.276

108.61

N80P110

0.362

9.29

4.126

104.80

N80P110

0.437

11.10

5-1/2

5.500

139.70

4.892

124.26

J55K55N80

0.304

7.72

4.778

121.36

N80

0.361

9.17

4.670

118.62

N80

0.415

10.54

7

7.000

177.80

6.366

161.70

J55K55N80

0.317

8.05

6.276

159.41

J55K55N80

0.362

9.19

6.184

157.07

N80

0.408

10.36

9-5/8

9.625

244.48

8.755

222.38

N80

0.435

11.05

8.681

222.50

N80

0.472

11.99

10-3/4

10.750

273.05

10.050

255.27

H40J55K55N80

0.350

8.89

9.850

250.19

J55K55N80

0.450

11.43

13-3/8

13.375

339.72

12.615

320.42

J55K55

0.380

9.65

12.415

315.34

J55K55N80

0.480

12.19