We provide LTC BTC STC casing coulings from 4-1/2″ to 20″, in grade J55, K55, N80, L80 and P110.
1. Size: 4-1/2″~ 20″
2. Standard: API 5CT/5B
3. Type: LTC BTC STC
4.Grade:J55/K55/N80/L80/P110
5. Packaging: wooden pallet, tight wrapped /W paper carton
