Lastek 820 C

Laser welding

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.

Specifications & Usage


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.


Welding proces: Laser welding
Material Type: Hard facing
Welding positions: PA
Norm : EN 10088-3
Classification: X20Cr13
Norm: -->
Classification: ~material number 1.4021
Minimum packing: 1 kg in a cardboard box