Hydraulic breaker piston

Hydraulic breaker piston

The piston material is SNCM616V,SNCM26V 20Cr2Ni4A,GCr15,40CrNiMo, the hardness of heat treatment is HRC58-62, and the surface roughness Ra value after fine grinding is ≤0.2μm. processed by machining center with high inner and outer precision. Multiple heat treatment to ensure the rigidity. The piston can be also customized.