Material: 20Cr, 20CrMnTi, 16MnCr5 

Process: The overall carburizing and quenching process is adopted.

The surface hardness of the product (Rockwell hardness, HRC) is 58-60, and the effective wear-resistant layer is 1.2mm. 

Applicable range 

Compatible with Isuzu 4BG1 engine, commonly used in Hitachi ZAX120 excavators and other equipment; construction machinery diesel pumps; Zexel PES4 series inline injection pumps