| 1. | Coarse - grained impact resistant grades for mining , working of stones and rock , building , mineral oil industry , percussion and hammer drill tips , inserts for mining cutters , chisels , asphalt cutters , picks , inserts for concrete - working , hammer cheeks rolls , hot wire rolling , ball pressure dies , brake blocks
粗晶粒度的抗冲击牌号，适用于采矿工业、采石、建筑、石油钻探工业、钻头和锤头、矿刀的衬垫、凿子、沥青切刀、风镐、混凝土制造的衬垫、锤子的滚轴、热轧轧辊、子弹压力冲模、刹车片。 |
