High Cr Iron Casting Hammers 1. High Chrome white iron we can produce includes 15%Cr, 18%Cr and 20%Cr and 26%Cr; 2. Excellent wear performance: under same working condition, the wear property of High Chrome mill liners is four times of that of high manganese steel liners and twice of that of low Chrome alloy steel liners; 3. Hardness: more than HRC55; 4. Microstructure: Fine martensite + Carbide + Austenite(less than 6%); 5. International Standard to be applied: AS2027, ASTM A532 and BS4844. The Combined Self-fastened Boltless Ball Mill Liners This product, invented by Mr. Chen Changshun, senior engineer and the director of the company, is known as “China Best Liner”.It includes two parts, high wear resistance boltless plates, and highly expandable riveting plates, which are self-fastened and strengthened to withstand impact from mill balls. We possess famous patented product------ Combined Self-fastened (Boltless) Ball Mill Liners, or Called CHINA BEST LINER. In 2012, we registered a new patent about Liner Technology. In December of 2000, we successfully registered the international patent in Canada. In 1988 and 1997, we claimed domestic patents for ball mill liners . The outstanding advantage of our liners is boltless.