Raiseboring 4330V MOD High Strength Drill Pipe
- HHF
- Henan, China
- 2 months
- 200 units per month
Henan Zhongyuan Heavy Forging Co.,Ltd (HHF) is a National Hi-Tech Enterprise which concludes four plants--Forging Plant, Heat Treatment Plant, Machining Plant, Petroleum Equipment Plant, one Provincial Engineering Technology Research Center for Drilling Tools Stabilizer, one laboratory, one Municipal Technology Research and Development Center. HHF has been certified by the following: API Q1 Quality Management System, License of Using Official API 7-1 Monogram, CSSC Quality System, ISO 9001:2008, ISO/TS29001 International Quality System.
Product Introduction
HHF is Chinese first factory which developed and mass produced Raiseboring 4330V MOD High Strength Drill Pipe.

HHF selects Chinese most famous steel mill as raw materil supplier for the Raiseboring 4330V MOD High Strength Drill Pipes. Perfect forging, heat treatment, and CNC finished machining generate Chinese Best quality Wear-resisting Drill Rod For Mining.

Up to now, HHF's Raiseboring 4330V MOD High Strength Drill Pipes have been exported to South Africa, Australia, USA, Canada,Brazil, Peru and India. HHF has built up a firm relationship with numerous world famous drill machine manufacturers and drill companies.
Mechanical properties for Raiseboring 4330V MOD High Strength Drill Pipe
tensile strength | ≥ 1033Mpa ( T) ≥ 1033Mpa(L) |
Yield Strength | ≥ 964Mpa ( T) ≥ 964Mpa(L) |
Elongation | ≥ 10.7% ( T) ≥ 15% (L) |
Impact energy | ≥ 90J(T) ≥ 50J(L) |
Face shrink | ≥ 32% ( T) ≥ 45% (L) |
| hardness | 320-360HB |

Dimensions of Raiseboring 4330V MOD High Strength Drill Pipe
| material | Drill rod specifications | OD | ID | ID | Length | DI22 thread | ||||
| Material | Size | in | mm | in | mm | in | mm | in | mm | in |
| 4330V MOD | 8" | 8 | 204 | 3 3/4 | 95.25 | 6 | 152.40 | 53 1/2 | 1359 | 6 3/4 |
| 4330V MOD | 10" | 10 | 254 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 10 1/8" | 10 1/8 | 258 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 10 1/4" | 10 1/4 | 261 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 11 1/4" | 11 1/4 | 286 | 4 3/4 | 120.70 | 7 11/16 | 195.30 | 66 3/8 | 1686 | 9 1/4 |
| 4330V MOD | 11 1/2" | 11 1/2 | 293 | 4 3/4 | 120.70 | 7 11/16 | 195.30 | 66 3/8 | 1686 | 9 1/4 |
| 4330V MOD | 12 7/8" | 12 7/8 | 324 | 5 7/16 | 138.10 | 9 | 228.60 | 68 | 1728 | 10 1/2 |
| 4330V MOD | 14" | 14 | 356 | 4 5/16 | 110.00 | 9 | 228.60 | 69 | 1753 | 11 |
About Us
Henan zhongyuan Heavy Forging Co.,Ltd(HHF) founded in 2006, the company has accumulated nearly 20 years of deep professional experience and technological expertise in the field of heavy-duty forging.
The factory is about 150 mu large, equivalent to 100,000 square meters. At the company's production base, there are 3 sets of the factory-style drop forging lines on a large scale (with the basic equipment being a 10,000 ton hydraulic press), 2 advanced mold forging production lines and some big CNC machining centers, heat treating lines, the laboratory of second class national system is quite well equipped too.
About 500 employees are engaged by the company at the moment out of which more than 50 are dedicated researchers who, with their high-level engineers and technical specialists are engaged in the development of new materials, methods and technologies.

Long-term forging supply relationship of the company is with top-tier domestic and global enterprises in various sectors such as: power generation including wind, water and thermal power, mining machinery industry, ship-building and heavy plant. In fact, some leading Chinese companies such as CITIC HEAVY INDUSTRIES, First HEAVY INDUSTRIES, TAIYUAN HEAVY INDUSTRIES, Goldwind and Envision Energy have been among the customers of the Company's forgeries. Also, a number of the company's forging products were used by the major international manufacturers of mining equipment, which includes Joy Global, Japan Mining, Hitachi Mining, Komatsu and Caterpillar.
The company's products have reached customers in more developed markets, as we've exported our goods to more than 20 countries and regions, such as Germany, the United States, Australia, India, Russia, Brazil, South Africa, South Korea, and Japan. The world is our stage!
Payment & Shipping Terms
We are well stocked to make international trade hassle-free by offering our customers several payment/delivery options that would be most favorable to them. Following are the international trade terms we accept.
We are ready to accommodate to most international trade terms your company will probably have. The reason, we think, is that the trade term you prefer will depend on how you arrange the transportation, who bears what risk at what period, etc. Below are the ones which are applicable to our company:
• FOB (Free On Board)
• CFR (Cost and Freight)
• CIF (Cost, Insurance and Freight)
Other terms can be discussed upon request.

Standard Manufacturing Lead Time:
Generally the delivery cycle of our products is about 45 days after receiving the buyer's purchase order and advance payment. The time period encompasses raw material sourcing to final goods inspection at factory level. If you are in a tight schedule, we could also provide much short lead times – just ask us about the possibilities for faster deliveries or modifications.
Packaging:
Wooden crates combined with metal shelves are the standard way of packaging our goods for overseas shipment since such an arrangement can be effective against normal handling and harsh sea conditions as well.
Furthermore, we always make efforts for customer's convenience as it happens often that you have different packaging preferences and/or drawings/sketches. It is our responsibility to fulfill such requests to the satisfaction of our good customers.
If there be anything which can help you better and your things get the right protection, we shall not hesitate to do it since we care about your safety very much. To protect all sides of your goods thoroughly, we mainly use wooden boxes.
Our products are mainly exported in specially designed and secured metal boxes or crates. For our customers it means that the products are not only well protected against all kinds of damages during transportation but also stored in a well-organized way with the possibility of retrieving them easily in between shipments or when you decide to rest before nextdelivery.
These wooden packages may be used as a kind of rack for your products when you want to keep them at rest in between shipments.












