该产品经表面处理后,产品表面有较高硬度,抗磨损,耐腐蚀;而芯部硬度较低,韧性特别好,适用于高温作业环境的模具。

　　By the surface treatment of the product, the product has high surface hardness, abrasion resistance, corrosion resistance; while the core hardness of the Ministry of lower toughness especially good for high-temperature operating environment of the mold.