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1.AISI 4145H alloy steel,non magnetic steel,ect.·2. API Spec. and SY/T 5146·3. Timely delivery·4.Factory directly
| Place of Origin | Henan China (Mainland) | Model Number | DS |
|---|---|---|---|
| Type | Drill Pipe | Machine Type | Drilling Tool |
| Certification | API | Material | Steel,AISI 4145H Alloy steel,ect. |
| Processing Type | Forging | Use | Well Drilling,oilfield |
| Standard | API 7-1 | Manufacture technique | hot forged and heat treatment |
| Test | UT&QT | Details | 1.AISI 4145H alloy steel,non magnetic steel,ect. · 2. API Spec. and SY/T 5146 · 3. Timely delivery · 4.Factory directly |
| Packaging Detail | Iron shelves or other suited seashipment |
|---|---|
| Delivery Detail | 7-15 days after getting your prepayment of workable L/C. |
Integral Heavy Weight Drill Pipe-HWDP
♦The Petroleum drilling tools of Zhongzhong's mainly include Drill collars, Spiral drill collars, Non magnetic drill collars, Short drill collars, Drill tool stabilizers, Non magnetic drill tool stabilizers, Integral heavy weight drill pipes, etc.
♦ The details of Integral Heavy Weight Drill Pipe as follows,
1. Material: AISI 4145H Alloy steel, Non magnetic steel, etc.
2. Use: It is mainly used between dill collar and dill pipe to ease transition stress concentration and reduce the rate between contact area and outer wall wear, which can effectively prevent the pressure sticking.
3. Standard: API Spec 7-1 or SY/T 5146 Standard.
4. Traceability: When producing, traceability are maintained from the receipt of raw material to completion of final products, and serial numbers are die-stamped on each workpiece body.
5.Inspection and test:During each manufacturing process, inspection and test are performed
6.Specification:
Type | Specification | C Outer diameter | E Inner diameter | Connection | Body | W/p Kg | ||||||
Style | Outer diameter A | DF mm | Upsetting sizes | |||||||||
D Center area mm | B Bottom area mm | |||||||||||
| mm | in | mm | in | mm | in | |||||||
Type I (9300mm/p in length) | ZH-JZ66-6 5/8FH-Ⅰ | 168.3 | 6 5/8 | 114.3 | 4 1/2 | 6 5/8FH | 209.6 | 8 1/4 | 195.70 | 184.2 | 176.2 | 965 |
| ZH-JZ55-5 1/2FH-Ⅰ | 139.7 | 5 1/2 | 92.1 | 3 5/8 | 5 1/2FH | 177.8 | 7 | 170.7 | 152.4 | 144.5 | 730 | |
| ZH-JZ50-NC50-Ⅰ | 127.0 | 5 | 76.2 | 3 | NC50 | 168.3 | 6 5/8 | 154.0 | 139.7 | 130.2 | 700 | |
| ZH-JZ45-NC46-Ⅰ | 114.3 | 4 1/2 | 71.4 | 2 13/16 | NC46 | 158.8 | 6 1/4 | 145.3 | 127.0 | 117.5 | 585 | |
| ZH-JZ35-NC38-Ⅰ | 88.9 | 3 1/2 | 52.39 | 2 1/16 | NC38 | 120.7 | 4 3/4 | 116.3 | 101.6 | 92.1 | 370 | |
| ZH-JZ29-NC31-Ⅰ | 73.03 | 2 7/8 | 50.8 | 2 | NC31 | 104.8 | 4 1/8 | 100.4 | 84.1 | 81.0 | 220 | |
Type II (13500mm/p in length) | ZH-JZ50-NC50-II | 127.0 | 5 | 76.2 | 3 | NC50 | 168.3 | 6 5/8 | 154.0 | 139.7 | 130.2 | 945 |
| ZH-JZ45-NC46-II | 114.3 | 4 1/2 | 71.4 | 2 13/16 | NC46 | 158.8 | 6 1/4 | 145.3 | 127.0 | 117.5 | 790 | |
Mechanical property
Production Process:
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