According to the casing pipe API 5CT,anti-corrosion deal with the body of the pipe.BTC connection increased the tensile strength
Sizes | OD 4-1/2”~20” |
Grade | H40, J55, K55, N80, M65, L80, C90, C95, T95, P110, Q125 |
Length | R1, R2, R3 |
Standard | API SPEC 5CT |
Application | Serves as walls of a well |
Packing | Bundle or bulk |
Casing Technical Specification (Standard API Spec 5 CT) | |||||||
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 | |||
