Size range of casing and tubing couplings of Teda Special Pipe Co Ltd:4 1/2"~20". Teda Special Pipe Co Ltd produces Casing & Tubing coupling according to API 5CT Spec. The steel grade of material we use:H40,J55,K55,M65,N80,L80,C90,T95,P110,Q125. Size range of casing and tubing couplings of Teda Special Pipe Co Ltd:4 1/2"~20".
Long and Short Round Thread Casing Coupling
Nom Size OD | Outside Dia | Min Length | Dia of Recess | Width of Bearing Face | ||
Regular | Short | Long | ||||
in | mm | W mm | NS mm | NL mm | Q mm | b mm |
4-1/2 | 114.3 | 127.00 | 158.75 | 177.80 | 116.68 | 3.97 |
5 | 127.00 | 141.30 | 165.1 | 196.85 | 129.38 | 4.76 |
5-1/2 | 139.70 | 153.67 | 171.45 | 203.20 | 142.08 | 3.18 |
6-5/8 | 168.28 | 187.71 | 184.15 | 222.25 | 170.66 | 6.35 |
7 | 177.80 | 194.46 | 184.15 | 228.60 | 180.18 | 4.76 |
7-5/8 | 193.70 | 215.9 | 190.5 | 234.95 | 197.64 | 5.56 |
8-5/8 | 219.08 | 244.48 | 196.85 | 254.00 | 223.04 | 6.35 |
9-5/8 | 244.48 | 269.88 | 196.85 | 266.70 | 248.44 | 6.35 |
10-3/4 | 273.05 | 298.45 | 203.2 | - | 277.02 | 6.35 |
11-3/4 | 298.45 | 323.85 | 203.2 | - | 302.42 | 6.35 |
13-3/8 | 339.72 | 365.12 | 203.2 | - | 343.69 | 5.56 |
16 | 406.40 | 431.80 | 228.6 | - | 411.96 | 5.56 |
18-5/8 | 473.08 | 508.00 | 228.6 | - | 478.63 | 5.56 |
20 | 508.00 | 533.40 | 228.6 | 292.10 | 513.56 | 5.56 |
Long Round Thread Casing Couplings are from 4-1/2" to 9-5/8"
Custom Sizes available on requestButtress Thread Casing Coupling
Non Upset Tubing Coupling
External Upset Tubing Coupling
For more information please visit www.chinateda.com
API Tubing & Casing Couplings
