| After-sales Service: | Technical Support |
|---|---|
| Warranty: | 1 Year |
| Manufacturing Process: | CNC Milling |
| Surface Treatment: | Parkerising |
| Operation Pressure: | Atmospheric Pressure |
| Material: | Seamless Pipe |
| Customization: |
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Please note: because the price of raw materials has been floating recently, so we just marking a symbolic price on the web. If you are interested in our products, please directly contact us by WhatsApp or Trademanager
API 5CT casing and tubing crossover couplings casing cross over
All our products are produced and processed according to , with the materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The couplings have three types, namely STC LTC and BTC. By numerically controlled lathe and import molding cutter, the processing of thread can be finished in one time, which ensures its commonality and interchangeability. We have complete testing abilities, adopting a whole set of single testing apparatus of thread, including tape, pitch, tooth depth, profile and so on. Our products have already passed the identification of the Quality Testing and Inspection Centre of Oil Pipe of CNPC (China National Petroleum Corporation).
| Item | Soecification | Thread | Connection | Surface | |
| Small-Size End | Big-size End | ||||
| 1 | 2-3/8"EU | External-upset | Pin × Pin Box ×Box Pin × Box |
Phosphating Painting |
|
| 2-3/8' EU, Brd per inch |
2-7/8"~EU | External-upset | |||
| 3-1/2"~EU | External-upset | ||||
| 4-1/2"~EU | External-upset | ||||
| 4-1/2"LTG | Long round-thread | ||||
| 4-1/2"STC | Short round-thread | ||||
| 4-1/2"BTC | Buttress thread | ||||
| 5-1/2"LTC | Long round-thread | ||||
| 5-1/2"STC | Short round-thread | ||||
| 5-1/2"BTC | Buttress thread | ||||
| 7"LIC | Long round-thread | ||||
| 7"STC | Short round-thread | ||||
| 7"BTC | Buttress thread | ||||
| 8-5/8"LTC | Long round-thread | ||||
| 8-5/8"STC | Short round-thread | ||||
| 2-7/8" EU | External-upset | ||||
| 2 | 2-7/8' EU, 8rd per inch |
2-7/8" EU | External-upset | Pin × Pin Box ×Box Pin × Box |
Phosphating Painting |
| 3-1/2" EU | External-upset | ||||
| 4-1/2"EU | External-upset | ||||
| 4-1/2" LTC | Long round-thread | ||||
| 4-1/2"STC | Short round-thread | ||||
| 4-1/2"ETC | Buttress thread | ||||
| 5-1/2" LTC | Long round-thread | ||||
| 5-1/2"STC | Short round-thread | ||||
| 5-1/2"ETC | Buttress thread | ||||
| 7" LTC | Long round-thread | ||||
| 7"STC | Short round-thread | ||||
| 7"ETC | Buttress thread | ||||
| 8-5/8" LTC | Long round-thread | ||||
| 8-5/8"STC | Short round-thread | ||||
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