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Oil Casing - API Series
HYST provides all API SPEC 5CT oil casing products with all steel grade and thread type for users, including: H40, J55, K55, M65, L80 1 / 9Cr / 13Cr, R95, N80 1/Q, C90, T95, C110, P110, q125 steel grade, with product size covering all API SPEC 5CT standard outer diameter, wall thickness specification and all thread types.
API Casing
| Size | Steel Grade and Connection Type | Specification | |||||||||
| OD /mm（in） |
WT /mm |
H40 | J55、K55 | M65 | L80-1、L80-13Cr、R95 | N80-1、N80Q | C90、T95 | C110 | P110 | Q125 | |
| 114.30 （4-1/2”） |
5.21 | S | S | S | API SPEC 5CT |
||||||
| 5.69 | S/B | S/B | |||||||||
| 6.35 | S/L/B | L/B | L/B | L/B | L/B | L/B | |||||
| 7.37 | L/B | L/B | L/B | L/B | L/B | ||||||
| 8.56 | L/B | L/B | |||||||||
| 127.00 (5”) |
5.59 | S | S | ||||||||
| 6.43 | S/L/B | S/L/B | |||||||||
| 7.52 | S/L/B | L/B | S/L/B | S/L/B | L/B | S/L/B | |||||
| 9.19 | L/B | S/L/B | S/L/B | L/B | S/L/B | L/B | |||||
| 11.10 | L/B | L/B | L/B | L/B | L/B | L/B | |||||
| 12.14 | L/B | L/B | L/B | L/B | L/B | ||||||
| 12.70 | L/B | L/B | L/B | L/B | L/B | ||||||
| 139.70 (5-1/2”) |
6.20 | S | S | S | |||||||
| 6.98 | S/L/B | S/L/B | |||||||||
| 7.72 | S/L/B | L/B | S/L/B | S/L/B | L/B | S/L/B | |||||
| 9.17 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 10.54 | L/B | S/L/B | S/L/B | L/B | S/L/B | S/L/B | |||||
| 168.28 (6-5/8”) |
7.32 | S/L/B | |||||||||
| 8.94 | L/B | S/L/B | |||||||||
| 10.59 | L/B | S/L/B | |||||||||
| 12.06 | S/L/B | L/B | |||||||||
| 177.80 (7”) |
6.91 | S | S | S | |||||||
| 8.05 | S/L/B | L/B | S/L/B | S/L/B | L/B | ||||||
| 9.19 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 10.36 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 11.51 | L/B | S/L/B | S/L/B | L/B | S/L/B | ||||||
| 12.65 | S/L/B | S/L/B | L/B | S/L/B | S/L/B | ||||||
| 13.72 | S/L/B | S/L/B | L/B | S/L/B | S/L/B | ||||||
| 193.68 (7-5/8”) |
8.33 | S/L/B | S/L/B | L/B | L/B | L/B | |||||
| 9.52 | L/B | L/B | L/B | L/B | L/B | ||||||
| 10.92 | L/B | L/B | L/B | L/B | L/B | ||||||
