hard surface alloy的意思|示意

The sealed surface is made of hard alloy of cobalt by overlaying welding. Through thermal treatment, the hardness of disc is improved.

密封面用钴基硬质合金堆焊而成，阀瓣经热处理，提高了硬度。

If the set collar end hardness is lower than HRC40, should first on the end surface again a built-up welding hard alloy, after the polish repackaging.

如果固定环端面硬度低于HRC40，则应先在端面上重新堆焊一层硬质合金，经磨光后再装配。

Usage Range: Surface hardened steel, copper, aluminum alloy thin sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface hardened treating and chemical treating materials, etc.

适用范围 表面淬火钢，铜、铝合金薄板，带钢，硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学表面处理的各种金属材料。

The utility model discloses a combined hard alloy tappet which includes a tappet body whose one end surface is provided with a concave platform inside which is connected with a hard alloy slice.

本实用新型公开了一种组合式硬质合金挺柱，包括挺柱本体，在所 述的挺柱本体的一端面设有凹台，在所述的凹台内连接有硬质合金片。

The article introduces the method of superhardening treating hard alloy drawing die core with thermochemistry copermeation method so as to improve its surface hardness.

介绍采用热化学共渗法对硬质合金拉丝模芯进行超硬化处理，以提高其表面硬度的方法。

Seal the surface material: Structure pottery or exceeding two kinds alloy materials of hard surface.

密封面材料：结构陶瓷或超硬表面合金材料二种。