The principle of our company is based on the quality of survival. With advanced technology and scientific management, our company develops with reputations for providing quality products and best service.
Specifications
1.petroleum equipment drill pipe
2.With API and ISO9001
3.Metal sealed journal bearing
4.Fast drilling rating
5.Cheap
Packaging Details:bundled with steel stripe
Delivery Detail:30days
Size Designation | Nominal | Calculated Weight Wpe | Grade | Wall Thickness | Upset Ends, for Weld-on Tool Joins(see note) | |||
in. | mm | Weight | lb/ft | kg/m | in. | mm | ||
2 3/8 | 60.3 | 6.65 | 6.26 | 9.32 | E,X,G,S | 0.28 | 7.11 | EU |
2 7/8 | 73 | 10.4 | 9.72 | 14.48 | E,X,G,S | 0.362 | 9.19 | EU IU |
3 1/2 | 88.9 | 9.5 | 8.81 | 13.12 | E | 0.254 | 6.45 | EU IU |
3 1/2 | 88.9 | 13.3 | 12.31 | 18.34 | E,X,G,S | 0.368 | 9.35 | EU IU |
3 1/2 | 88.9 | 15.5 | 14.63 | 21.79 | E | 0.449 | 11.4 | EU IU |
3 1/2 | 88.9 | 15.5 | 14.63 | 21.79 | X,G,S | 0.449 | 11.4 | EU IEU |
4 | 101.6 | 14 | 12.93 | 19.26 | E,X,G,S | 0.33 | 8.38 | EU IU |
4 1/2 | 114.3 | 13.75 | 12.24 | 18.23 | E | 0.271 | 6.88 | EU IU |
4 1/2 | 114.3 | 16.6 | 14.98 | 22.31 | E,X,G,S | 0.337 | 8.56 | EU IEU |
4 1/2 | 114.3 | 20 | 18.69 | 27.84 | E,X,G,S | 0.43 | 10.92 | EU IEU |
5 | 127 | 16.25 | 14.87 | 22.15 | X,G,S | 0.296 | 7.52 | IU |
5 | 127 | 19.5 | 17.93 | 26.71 | E | 0.362 | 9.19 | IEU |
5 | 127 | 19.5 | 17.93 | 26.71 | X,G,S | 0.362 | 9.19 | EU IEU |
5 | 127 | 25.6 | 24.03 | 35.79 | E | 0.5 | 12.7 | IEU |
5 | 127 | 25.6 | 24.03 | 35.79 | X,G,S | 0.5 | 12.7 | EU IEU |
5 1/2 | 139.7 | 21.9 | 19.81 | 29.51 | E,X,G,S | 0.361 | 9.17 | IEU |
5 1/2 | 139.7 | 24.7 | 22.54 | 33.57 | E,X,G,S | 0.415 | 10.54 | IEU |
1) Made from one piece of AISI 4145H solid bar
2) Formed by hot forged and fully heat-treated
3) All threads are phosphated, copperized or cold worked
4) Fully inspected by an ultrasonic unit (at full length and over full section)
5) Could be coated internally with DPC (equivalent to TK 34) as customer's request that are able to prevent corrosion and extend using time.
3.Standard:
API Spec 7 or SY/T5145
Production Equipment
Processing Equipment
Black Steels 
Peeling Steels
finished steel
Testing Equipment 
We can supply various sizes of Grade Q235B Steel H-beams on the basic of different Standards, Our company has been exporting high quality products with very competitive prices to Middle East, Southeast Asia, South America for many years, and have won a lot of our customers' trust and support. Now our sales market is extending to the whole world.If you have any necessary ,feel free to contact us.
E-mail: jianhuisales@hotmail.com
Tel: 86-371-86097877
