Raiseboring Standard Strength Drill Rod
- HHF
- Henan, China
- 45 days
- 250 units per month
The Raiseboring Standard Strength Drill Rod is mainly used for Raise Boring.
HHF's production capacity for the Raiseboring Standard Strength Drill Rod is 250 units per month. Usually HHF offer more than 2500 units of the Raiseboring Standard Strength Drill Rod per year.
HHF can not only offer standard mining long life drill rods but also offer customized mining drill tools.
Product Introduction
Specification of Raiseboring Standard Strength Drill Rod
| 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 |
Package of Raiseboring Standard Strength Drill Rod
4145H MOD Mechanical properties of Raiseboring Standard Strength Drill Rod：
Tensile Strength | ≥ 965Mpa / 14000Psi |
Yield Strength | ≥ 758Mpa / 110000Psi |
Elongation | ≥ 13% |
Charpy V Impact | ≥ 54J |
Reduction of Area | ≥ 45% |
| Hardness | 285-341HB |
Quantity Control
HHF has a national II stanard Laboratory for the physical and chemical inspection including tensile test, minus 80 degrees celsius temperature impact, chemical composition analysis, metallographic analysis, non-matallic inclusion analysis, gas content analysis, grain size analysis and magnetic induction intensity, non-magnetic induction gradient and intergranular corrosion test.
About Us
Henan zhongyuan Heavy Forging Co.,Ltd(HHF) came into existence 2006 and through our years of operations, we have built an immense expertise pool together with technical know-hows on various aspects of large-scale forging.
The factory occupies a plot of 150 mu which in terms of area equals 100,000 square metres.
The plant comprises 3 huge industrial-styled drop forging lines (10,000 ton hydraulic press), 2 advanced mold forging lines, several large CNC machining centers and heat treatment lines. The company has also the second class state of the art laboratory, quite a complete set-up.
There are 500 employees in a total. The company is having a strong workforce comprising of over 50 researchers who are working hand in hand with their engineer and technician colleagues to make sure that new materials, methods and processes are introduced timely.
In terms of certification apart from being certified by API Q1 which is the basic quality control level in the USA and licensed by two standards of API 7-1 for drill collars and stabilizers, the company is also having the Chinese CSSC system's approval, apart from that the company is also having the certificates of ISO 9001:2008 and ISO/TS 29001.
The company has established long-term forging supplier relations with the leading domestic and overseas enterprises of different sectors like: wind, water and thermal power generating equipment, mining machinery sector, ship-building and heavy plant industries. Moreover a few prominent Chinese companies among them is CITIC HEAVY INDUSTRIES, First HEAVY INDUSTRIES, TAIYUAN HEAVY INDUSTRIES, Goldwind and Envision Energy have become the company's regular purchase of forgings customers.
Apart from that, the major international manufacturers of the mining equipment have also used quite a few forging products of the company for example, there are Joy Global, Japan Mining, Hitachi Mining, Komatsu and Caterpillar.
FAQ
1. How soon would you give the quotation?
In general, it is up to three days. We just need to find out your needs and main sizes.
2. How do you assure the quality?
A. We have a quality control department. B. We shall carry out one sample run and another small batch production run after the first sample order before the mass order.
3.Can I come and visit you?
Yes, of course. We are pleased to welcome you to visit our company and discuss technical details and requirements with our team.
4.What's the production lead time?
Our pruction progress is from forging, rough machining ,Q+T to final machining.Itis usually 45days.
5.what are your payment terms?
We typically ask for 30% down payments to launch production, 70% balance before delivering goods.
