NingGuo WeiDa casting limited company was founded in 2004 which is a specialized production for wearable steel ball, the major production is all kinds of chromium alloy casting ball and hot rolled forging press ball and the annual productivity is fifty thousand tons. Our company is based on the quality first and the supreme service aim for providing the first-class products, the first-class customer service. Our company's various kinds of ball is widely used in mine, cement and power station .
Quality supervision and inspection is from raw material to product throughout the entire process. And monitor the quality of product with all directions. We have a laboratory ---direct reading spectrometer, rock-well hardness tester, metallographic microscope, impact tester, falling ball tester.
| Name | Chemical Elements (%) |
| C | Si | Mn | Cr | Mo | Cu | P | S |
| High Cr Balls | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 10-13 | 0-3.0 | 0-1.2 | ≤0.1 | ≤0.08 |
| Medium High Cr Balls | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 4.5-5.5 | 0-1.0 | 0-1.2 | ≤0.1 | ≤0.08 |
| Low Cr Balls | 2.1-3.6 | ≤1.5 | 0.3-1.5 | <1.5% | 0-1.0 | 0-0.8 | ≤0.1 | ≤0.1 |
| Physical Property & Microstructure |
| Name | HRC | Ak(J/cm 2 ) | Microstructure | Times of Falling Balls |
| Normal High Cr Balls | ≥58 | ≥4 | M+C+A | ≤Φ80 | ≥15000 |
| ≥Φ80 | ≥10000 |
| Medium High Cr Balls | ≥48 | ≥3 | P+C | ≤Φ80 | ≥15000 |
| ≥Φ80 | ≥10000 |
| Low Cr Balls | ≥45 | ≥2.5 | P+C | ≤Φ80 | ≥15000 |
| ≥Φ80 | ≥10000 |
NingGuo WeiDa casting limited company was founded in 2004 which is a specialized production for wearable steel ball, the major production is all kinds of chromium alloy casting ball, hot rolled forging press ball, all kinds of Customizable Steel Liner for Ball Mill and crusher's parts(various alloyed hammer head and pressing plate and dam-board. The annual productivity is fifty thousand tons. Our company is based on the quality first and the supreme service aim for providing the first-class products, the first-class customer service. Our company' S various kinds of ball and lining plate and machine parts is widely used in mine, cement and power station.
Our company has built an integrated quality control and management system and passed ISO9001: 2008 international quality system certificate. Company has a laboratory ---direct reading spectrometer, rock-well hardness tester, metallographic microscope, impact tester, falling ball tester. Quality supervision and inspection is from raw material to product throughout the entire process. And monitor the quality of product with all directions.
We sincerely welcome domestic and overseas customers to visit our company and seek common development.
