Make the hammer die with High-chromium cast iron and make the handle with the circle-steel-made ring by composite metal cast.The troostite and carbide are gained un der casting state.

• 用高铬铸铁作锤头，用圆钢制成的环状锤柄采用金属型复合铸造，在铸态下获得屈氏体基体+碳化物。