SPEC: Φ73x9x(9.5/6.1)m Pipe body material: DZ40、DZ50、R780、G105
SPEC: Φ89x10x(9.5/6.1)m Tool joint material: 40Cr、45Mn2、35Crmo、4137H
| OD of pipe body(mm) |
Φ50 |
Φ60 |
Φ73 |
Φ89 |
Φ102 |
Φ114 |
Φ127 |
| OD of joint(mm) |
Φ65 |
Φ75 |
Φ105 |
Φ127 |
Φ133.4 |
Φ158.8 |
Φ168 |
| Wall thickness of pipe(mm) |
6.5 |
7.1 |
9.19 |
9.5/10 |
8.38 |
8.56 |
9.19 |
| Length of drill rod(mm) |
1000～4500 |
1000～4500 |
1500～9500 |
1500～9500 |
3000～9500 |
1500～9500 |
5000-9500 |
