Product Description
Friction welding drill pipe adopts thermal refining to superior alloy steel 35CrMo
or 4137H that`s after thread hardening treatment and phosphating to better antiseize.
It also can be produced upon customers` requirements.
Technical specifications
| Tool Joint Code |
Drill Pipe |
Tool Joint (1in or 2in extension) |
|
Specification |
Steel grade |
mm External Diameter |
mm Internal diameter of male end | mm Wrench space of male end | Mm Wrench space of female end |
| NC26 | 60 EU | DZ50,R780 | 86.0 | 45.0 | 177.8 | 203.2 |
| G105 | 85.7 | 44.5 | 177.8 | 203.2 |
| NC31 | 73 EU | DZ50,R780 | 104.8 | 50.8 | 177.8 | 228.6 |
| G105 | 104.8 | 50.8 | 177.8 | 228.6 |
| S135 | 111.1 | 41.3 | 177.8 | 228.6 |
| NC38 | 89 EU | DZ50,R780 | 127.0 | 65.09 | 203.2 | 266.7 |
| G105 | 127.0 | 61.9 | 203.2 | 266.7 |
| S135 | 127.0 | 54.0 | 203.2 | 266.7 |
| NC46 | 114IEU | DZ50,R780 | 158.8 | 82.6 | 177.8 | 254.0 |
| G105 | 158.8 | 76.2 | 177.8 | 254.0 |
| S135 | 158.8 | 69.9 | 177.8 | 254.0 |
| NC50 | 114 EU | G105 | 168.3 | 95.3 | 177.8 | 254.0 |
| S135 | 168.3 | 88.9 | 177.8 | 254.0 |
| NC50 | 127 IEU | DZ50,R780 | 168.3 | 89/82.6 | 177.8 | 254.0 |
| G105 | 168.3 | 82.6 | 177.8 | 254.0 |
| S135 | 168.3 | 69.9 | 177.8 | 254.0 |
| 51/2FH | 139.7 IEU | G105 | 184.2 | 88.9 | 203.2 | 254.0 |
| S135 | 190.5 | 76.2 | 203.2 | 254.0 |
| 65/8FH | 168 IEU | G105 | 209.6 | 120.7 | 203.2 | 279.4 |
| S135 | 215.9 | 108.0 | 203.2 | 279.4 |
More pictures
About factory
Established in 1975, Our factory is subordinated to Hebei Geology and Mineral Industries Department. As the designated production enterprise, Our factory specialized in manufacturing
drilling equipment and auxiliary tools. It is a member of China Mining Association, vice chairman
of the Geological and Mining Equipment Branch, a member of China Geological and Equipment
General Corporation, a member unit of National Water Well Drilling Rig Information Network and
a designated production enterprise of the General Reserve Department of PLA.
Our factory has well equipped production equipment, strong technical strength, perfect detection
methods, reliable product quality and advanced management concept.It has the domestic
most advanced equipment, including the Numerical Controlled (NC)friction welding machine, drill pipe hammer forging and all-in-one tempering equipment.Besides, it is equipped with non-destructive testing (NDT), physical experiment,chemical composition analysis and metallurgical analysis apparatus.Our factory get the ISO9001 in 2009 and API certification in 2002 one after another,
which becomes one of the API authorized enterprises in geological departments.
Contact Now
