Wear-resistant grinding ball: Our company main produceΦ8 mm-Φ130mm high medium low chrome casting ball and Φ20mm-Φ180mm rolling ball.
| PRODUCTS | SIZE | HARDNESS | CHEMICAL COMPOSITION |
| 1) 60Mn Forged grinding ball | 20mm-180mm | HRC55-65 | C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max |
| 2) B2 Forged grinding ball | 20mm-180mm | HRC60-68 | C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.40-0.70. |
| 3) High chrome cast grinding ball | 8mm-130mm
| HRC58-62 | Cr:10-12; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 4) Low chrome cast grinding ball | 8mm-130mm
| HRC48-55 | Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 5) Medium chrome cast grinding ball | 8mm-130mm | HRC45 | Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
NingGuo city WeiDa casting 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.
Ningguo city weida import and export trading company is ningguo city weida casting company's foreign sale corporation and it's used for trading all goods related to grinding ball Casting parts.
We sincerely welcome domestic and overseas customers to visit our company and seek common development.
