Drilling Joints
Holic® offers complete range of Drilling Joints.
Item Name: Drilling Joints, Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.
Brand: HOLIC®.
Specifications: Φ68, Φ78, Φ105, Φ121
Product Description
Drilling Joints
Holic® offers complete range of Drilling Joints.
Item Name: Drilling Joints, Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.
Brand: HOLIC®.
Specifications: Φ68, Φ78, Φ105, Φ121
Tool joint size
| SPEC | Yield strength | Tensile strength | Elongation | HB | Charpy impact test | |
| Mpa | Mpa | Mpa | HB | A kv (J) | ||
| API SPEC 7 | ≥827.4 | ≥965.3 | ≥13 | ≥285 | // | |
| SY/T 5290-2000 | ≥827 | ≥965 | ≥13 | 285-341 | ≥54 | |
| HJ-JT | 828-1050 | 1365-1150 | ≥14 | 303-341 | Vertical | Horizontal |
| ≥87 | ≥90 | |||||







