For example steel base plated copper, nickel, chromium plating, low layer again tin bronze chrome, multi-layer nickel chrome plating nickel ferroalloy, chrome, and so on.
例如钢基上镀铜、镍层再镀铬、低锡青铜上镀铬、多层镍上镀铬、镍铁合金镀层上镀铬等等。
2
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。
3
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 low alloy steel castings ;