1. Dia.: 20mm-100mm
2. Surface hardness: More than 60HRC, Core hardness: More than 55HRC.
3. Breakage: Less than 1%
4. Impact toughness: More than 12J/cm2
5. Density: 7.8-7.85g/cm3
6. Impact to broken (times): More than 18000
7. Low Abrasion:
Non-ferrous metal: 0.4KG-0.7KG, ferrous metal: 055KG-0.8KG. ( The abrasion just for reference, the exact abrasion depends on the specific mine ore, the temperature, the ball mill and other conditions. )
8. Process:
Heating-----forged(air hammer)-----forged balls-----quenching------tempering----- finished products
Qianbaidu Import & Export Co., Ltd. is located in Jinan city Shan Dong province, which is a manufacture and trader company appointed by the Technical Supervision Bureau of China. The main produces include concrete batching plant, tower crane, paper machinery and spare parts. Since entering the market, the company has aspired to place quality and service at the center of all our work, our products have got the quality certificate of ISO9000: 2008, CE certificate and SGS certificate and are selling well in nearly 30 cities and provinces in China and also exported to the Middle East, South America, Southeast Asia, Eastern Asia and Africa.
We are an ideal cooperative partner with good service; quick delivery and the best price for all large, medium and small construction enterprises. We keep the following as our tenet:
Firstly, what we sells not only product, but also service and credit
Secondly, what we considers is not only on our side but our customer's
Third, we offer the productions with best price, quick delivery and good service.
To choose QianBaiDu is the first step to your success! We welcome new and old customers' also sales agent to join our international sales network and contact us for future business relationships and achieving mutual success!
