Product Description
Brief Description:Casing coupling can be widely used in Industrial Petroleum Pipeline system,cold and hot water supply, heating supply, fire protection, medicinal gas etc.
| Place of Origin | Tianjin, China (Mainland) |
| Brand Name | RICHSEN |
| Type | Casing Coupling |
| Size: | 4-1/2" to 20" |
| Steel Grade | J55/K55, L80,N80-1/N80-Q, C90/T95, C110, P110, Q125. |
| Thread Type | STC, LTC, BTC |
| Standard | API-5CT , API 5B |
| Surface treatment | Whole phosphating, or inside phosphating and outside coating |
| Usage | Internally threaded cylinder for joining two lengths of threaded casing pipe |
| Packing | By carton, wooden case, wooden pallet, or as customer's requrements |
Detail Parameter
| API Casing Coupling | ||||
| Descriptions and size | Type of Thread | O.D*Length (mm) | Weight (kg) | |
| Casing Coupling | 4-1/2" | STC | 127.00 * 158.75 | 5.23 |
| LTC | 127.00 * 177.80 | 4.15 | ||
| BTC | 127.00 * 225.42 | 4.55 | ||
| 5" | STC | 141.30 * 165.10 | 4.66 | |
| LTC | 141.30 * 196.85 | 5.75 | ||
| BTC | 141.30 * 231.78 | 5.85 | ||
| 5-1/2" | STC | 153.67 * 171.45 | 5.23 | |
| LTC | 153.67 * 203.20 | 6.42 | ||
| BTC | 153.67 * 234.95 | 6.36 | ||
| 6-5/8" | STC | 187.71 * 184.15 | 9.12 | |
| LTC | 187.71 * 222.25 | 11.34 | ||
| BTC | 187.71 * 244.48 | 11.01 | ||
7" | STC | 194.46 * 184.15 | 8.39 | |
| LTC | 194.46 * 228.60 | 10.83 | ||
| BTC | 194.46 * 254.00 | 10.54 | ||
7-5/8" | STC | 215.90 * 190.50 | 12.30 | |
| LTC | 215.90 * 234.95 | 15.63 | ||
| BTC | 215.90 * 263.52 | 15.82 | ||
| 8-5/8" | STC | 244.48 * 196.85 | 16.23 | |
| LTC | 244.48 * 254.00 | 21.67 | ||
| BTC | 244.48 * 269.88 | 20.86 | ||
| 9-5/8" | STC | 269.88 * 196.85 | 18.03 | |
| LTC | 269.88 * 266.70 | 25.45 | ||
| BTC | 269.88 * 269.88 | 23.16 | ||
| 10-3/4" | STC | 298.45 * 203.20 | 20.78 | |
| BTC | 298.45 * 269.88 | 25.74 | ||
| 11-3/4' | STC | 323.85 * 203.20 | 22.64 | |
| BTC | 323.85 * 269.88 | 28.03 | ||
| 13-3/8" | STC | 365.12 * 203.20 | 25.66 | |
| BTC | 365.12 * 269.88 | 31.77 | ||
| 16" | STC | 431.80 * 228.6 | 34.91 | |
| BTC | 431.80 * 269.88 | 40.28 | ||
| 18-5/8" | STC | 508.00*228.60 | 51.01 | |
| BTC | 508.00*269.88 | 62.68 | ||
| 20" | STC | 533.40*228.6 | 43.42 | |
| LTC | 533.4*292.10 | 57.04 | ||
| BTC | 533.40*269.88 | 50.10 | ||
| API Tubing Coupling | ||||
| Descriptions and size | Type of Thread | O.D*L (mm) | Weight (kg) | |
| Tubing Coupling | 1.050 | NUE | 33.35*80.96 | 0.23 |
| 1.050 | EUE | 42.16*82.55 | 0.38 | |
| 1.315 | NUE | 42.16*82.55 | 0.38 | |
| 1.315 | EUE | 48.26*88.90 | 0.57 | |
| 1.660 | NUE | 52.17*88.90 | 0.59 | |
| 1.660 | EUE | 58.88*95.25 | 0.68 | |
| 1.900 | NUE | 55.88*95.25 | 0.56 | |
| 1.900 | EUE | 63.50*98.42 | 0.84 | |
| 2-3/8" | NUE | 73.02*107.95 | 1.28 | |
| 2-3/8" | EUE | 77.80*132.82 | 1.55 | |
| 2-7/8" | NUE | 88.90*130.18 | 2.34 | |
| 2-7/8" | EUE | 93.17*133.35 | 2.40 | |
| 3-1/2" | NUE | 107.95*142.88 | 3.71 | |
| 3-1/2" | EUE | 114.30*146.05 | 4.10 | |
| 4" | NUE | 120.65*146.05 | 4.35 | |
| 4" | EUE | 127.00*152.40 | 4.82 | |
| 4-1/2" | NUE | 132.08*155.58 | 4.89 | |
| 4-1/2" | EUE | 141.30*158.75 | 6.05 | |
