X95 Drill Pipe
Outer Diameter : 2 3/8 to 5 1/2 of labels 1 or 60.32mm to 139.7mm
Grade : E75, X95, G105, S135
Place of origin : China
1) Certificate: API 5DP API Q1,ISO9001
2) OD: 2 3/8 to 5 1/2 of labels 1 or 60.32mm to 139.7mm
3) Grade: E75, X95, G105, S135
The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. These drill collar bars are full-length heat treated and water quenched to obtain ASTM A-370 mechanical properties. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 BHN and an impact value of 40 ft.-lbs. at room temperature one inch below the surface.
1. Usage : One of the most important components of the drill string is to provide drilling bit ofpressure and the drill string rigid role.
2. Standard : API 7, API 7-1 and SY/T standards.
3. Material : AISI 4145 H .
4. Types:drill pipes anddrill collars
5 Size : OD : 3 1/8”---11”, Length : 10’---31’
6.Brand:Shengtian