N80 Couplingshall be machined from the coupling blank,and made from the coupling material ,coupling stocks or hot forging.
1. O. D: 4-1/2"
2. Grade: J55 K55 N80 P110 ect
3. Thread: NUE, EUE, STC
4. Standard: API 5CT
5. 4-1/2" NUE/EUE tubing coupling BTC Thread Casing Coupling
API 5CT Specs oilwell casing coupling
1. Grade: J55, K55, N80-1, N80-Q, L80, C90, P110
2. We also supply premium thread products by customer's request
3. Size: Tubing coupling from 1.9" to 4-1/2", Casing coupling fro4-1/2"to 13-3/8"
4. Type: NU, EU(tubing coupling), STC, LC, BTC(casing coupling).
Standard Steel Frame
Within 15 working days
EXW,CFR,CIF By air, By sea
As a professional manufacturer, we provide follow services:
2.ONE year warranty and life time maintenance
3.In time delivery.
4.High Quality assurance..