What are the materials of the hydraulic valve body? Thank you
With rust protection and without grinding the surface of the valve block, aluminum and stainless steel can be used.
High pressure, pressure changes in the valve block can be used 45# steel, or 40Cr, it is best to quenching and tempering treatment, at least normalizing.
Ordinary body (pressure 30 MPa), with Q235 hot rolled plates or forgings can be.
