Complaint
| API 5CT STC/LTC CASING COUPLING | |||||||
| Label 1 | Casing OD | Coupling OD | Min. Length NL mm | TPI | Weight kg | ||
| STC | LTC | STC | LTC | ||||
| 4-1/2 | 114.30 | 127.00 | 158.75 | 177.80 | 8 | 3.62 | 4.15 |
| 5 | 127.00 | 141.30 | 165.10 | 196.85 | 8 | 4.66 | 5.75 |
| 5-1/2 | 139.70 | 153.67 | 171.45 | 203.20 | 8 | 5.23 | 6.42 |
| 7 | 177.80 | 194.46 | 184.15 | 228.60 | 8 | 8.39 | 10.83 |
| 9-5/8 | 244.48 | 269.88 | 196.85 | 266.70 | 8 | 18.03 | 25.45 |
| 10-3/4 | 273.05 | 298.45 | 203.20 | - | 8 | 20.78 | - |
| 13-3/8 | 339.72 | 365.12 | 203.20 | - | 8 | 25.66 | - |
| 16 | 406.40 | 431.80 | 228.60 | - | 8 | 34.91 | - |
| 18-5/8 | 473.08 | 508.00 | 228.60 | - | 8 | 54.01 | - |
| 20 | 508.00 | 533.40 | 228.60 | 292.10 | 8 | 43.42 | 57.04 |
| API 5CT BTC CASING COUPLING | ||||||
| Label 1 | Casing OD D mm | COUPLING OD W mm | Min. Length NL mm | TPI | Weight kg | |
| 4- 1/2 | 114.30 | 127.00 | 225.42 | 5 | 4.55 | |
| 5 | 127.00 | 141.30 | 231.78 | 5 | 5.85 | |
| 5- 1/2 | 139.70 | 153.67 | 234.95 | 5 | 6.35 | |
| 7 | 177.80 | 194.46 | 254.00 | 5 | 10.54 | |
| 9-5/8 | 244.48 | 269.88 | 269.88 | 5 | 23.16 | |
| 10-3/4 | 273.05 | 298.45 | 269.88 | 5 | 25.74 | |
| 13-3/8 | 339.72 | 365.12 | 269.88 | 5 | 31.77 | |
| 16 | 406.40 | 431.80 | 269.88 | 5 | 40.28 | |
| 18-5/8 | 473.08 | 508.00 | 269.88 | 5 | 62.68 | |
| 20 | 508.00 | 533.40 | 269.88 | 5 | 50.10 | |
