Steel pipe coupling for Oil casing pipe
PIC-(Steel pipe coupling for Oil casing pipe)
The Steel pipe coupling for Oil casing pipe supplier STR Group is a famous factory,The API couplings for tubing and casing pipes. the usage is conect two casing pipes. According to the steel grade there have J55,K55,N801,N80Q,L80 1,L80 13Cr,C90, T95,P110,Q125 etc. Base on the sizes there have 4-1/2 、5 、5-1/2、 6-5/8 、7、 7-5/8、 8-5/8 、9-5/8 、10-3/4、 11-3/4 、13-3/8 、16 、18-5/8 、20 etc. By the type of NPT, there have LC, STC, BC and special NPT etc.
| Descriptions and size | Type of Thread | O.D*L(mm) | Weight(kg) | |
| Tubing coupling | 2-3/8" | NUE | 73.02*107.95 | 1.28 |
| 2-3/8" | EUE | 77.80*123.82 | 1.55 | |
| 2-7/8" | NUE | 88.90*130.18 | 2.34 | |
| 2-7/8" | EUE | 93.17*130.35 | 2.4 | |
| 3-1/2" | NUE | 107.95*142.88 | 3.17 | |
| 3-1/2" | EUE | 114.30*146.05 | 4.1 | |
| 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 | |
| Casing Coupling | 4-1/2" | STC | 127.00*158.75 | 5.23 |
| 4-1/2" | LTC | 127.00*177.80 | 4.15 | |
| 4-1/2" | BTC | 127.00*225.42 | 4.55 | |
| 5" | STC | 141.30*165.10 | 4.66 | |
| 5" | LTC | 141.30*196.85 | 5.75 | |
| 5" | BTC | 141.30*231.78 | 5.85 | |
| 5-1/2" | STC | 153.67*172.45 | 5.23 | |
| 5-1/2" | LTC | 153.67*203.20 | 6.42 | |
| 5-1/2" | STC | 153.67*234.95 | 6.36 | |
| 6-5/8" | STC | 187.71*184.15 | 9.12 | |
| 6-5/8" | LTC | 187.71*222.25 | 11.34 | |
| 6-5/8" | STC | 187.71*244.48 | 11.01 | |
| 7" | STC | 194.46*187.15 | 8.39 | |
| 7" | LTC | 194.46*228.60 | 10.83 | |
| 7" | STC | 194.46*254.00 | 10.54 | |
| 7-5/8" | STC | 215.90*190.50 | 12.3 | |
| 7-5/8" | LTC | 215.90*234.95 | 15.63 | |
| 7-5/8" | STC | 215.90*263.52 | 15.82 | |
| 8-5/8" | STC | 244.48*196.85 | 16.23 | |
| 8-5/8" | LTC | 244.48*254.00 | 21.67 | |
| 8-5/8" | STC | 244.48*269.88 | 20.86 | |
| 9-5/8" | STC | 269.88*196.85 | 18.63 | |
| 9-5/8" | LTC | 269.88*266.70 | 25.45 | |
| 9-5/8" | STC | 269.88*269.88 | 23.16 | |
| 10-3/4" | STC | 298.45*203.20 | 20.78 | |
| 10-3/4" | STC | 298.45*269.88 | 25.74 | |
| 11-3/4" | STC | 323.85*203.20 | 22.64 | |
| 11-3/4" | BTC | 323.85*269.88 | 28.03 | |
| 13-3/8" | STC | 365.12*203.20 | 25.66 | |
| 13-3/8" | BTC | 365.12*269.88 | 31.77 |
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