Products Categories
1. Application: Used for connect 2 joints of tubing or casing
2. Surface: Whole Phosphating or inside phosphating and outside coating
3. Thread: NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS
4. Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
API Casing Coupling:
| Size (Pipe OD) (in) | 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 |
| Threading | Short Round-Thread Casing (STC) |
| Long Round-Thread Casing (LC) | |
| Buttress Thread Casing (BC) | |
| Grade | H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR |
API Tubing Coupling:
| Size (Pipe OD) (in) | 1.900, 2-3/8, 2-7/8, 3-1/2, 4, 4-1/2 |
| Upset | Non Upset |
| External Upset | |
| Grade | J-55, C-75, L-80, N-80, C-95, P-110 |
| Option | Electro-zinc plated |
| Phosphorised |