Specifications
btc coupling for casing1.O.D: 4 1/2"-20"2.Grade:J55 K55 N80 P110 etc
3.Thread : BTC,STC,LTC
4.Standard: API 5CT
btc coupling for casing
1.O.D: 4 1/2"-20"
2.Grade:J55 K55 N80 P110 etc
3.Thread : BTC,LTC,STC,
4.Standard: API 5CT
| 1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110 | |||||
| 2.We also supply permium 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). | |||||
| 5.Surface treatment: Whole phosphating, or inside phosphating and outside coating | |||||
| 6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers | |||||
