Lastek 820C is a martensitic chrome steel hardfacing alloy with good corrosion properties used for laser welding of parts with small tolerances. The deposit offers a good resistance to e.g. air water steam, freshwater, certain alkaline solutions and other mildly aggressive chemicals.
It shall not be used in marine or in chloride environment.
Tools for medical purposes such as surgical and dental instruments.
Surfacing of pump- and valve parts, shafts, spindles, shear blades.
Lastek 820C can reach a hardness of 55 HRC.