The cast alloy steel bit-sharpener has been prepared by pouring the chrome abrasion resistance steel and the low-alloy steel with fine impact resistance one-step using cast-in technique.
镶铸复合金属材料截齿是利用镶铸工艺，将铬系耐磨合金与抗冲击性能好的低合金钢一次浇铸成型。
2
The surface finish for the castings we can provide with are sa the following ; backing. zinc plating. chrome plating and nickel plating for the carbon steel and the lowalloy steel castings ;