used for petrol,natural gas and coal bed gas exploitation engineering.main steel grades:H44,J55,K55,M65,N80-1,N80Q,L80,C90,T95,P110,Q125,FS140
used for petrol,natural gas and coal bed gas exploitation engineering
| Place of Origin: | China |
| API: | SPECIFICATION 5D |
| Model Number: | H44,J55,K55,M65 |
| Brand Name: | TJSYS |
| Secondary Or Not: | Is Secondary |
| Application: | Drill Pipe |
| Grade: | API J55 |