Powder metallurgical steels can be studied for industrial blades that work in demanding applications. Its choice requires relating the properties of the grade to actual wear: a steel denomination does not by itself guarantee a specific duration.
Separate abrasion and breakage
Note whether the usual failure is gradual dulling, chipping, or fracture. Record contamination, impacts and material variations. Changing steel without correcting a damaged housing or irregular feed can repeat the problem with a more expensive tool.
Review grade and treatment
BÖHLER describes K390 MICROCLEAN as a powder metallurgical steel with high resistance to wear and compression. That information identifies properties of the material; It does not prove that it is the best option for every disposer. Final hardness and treatment must be specified for the intended geometry and service.
Plan a controlled comparison
Select a team and representative lots. Maintain comparable fit and change criteria, and record tons, edge condition, and possible sharpenings. Include manufacturing and reconditioning cost. Examine the compatibility of the sharpening method with steel before adopting the alternative plant-wide. Documented proof is worth more than an unconditional promise of duration.

Frequently asked question
Can steel be copied from another machine?
It is not enough to match dimensions. Application, impacts, treatment and tolerances must be evaluated.
Technical documentation
BÖHLER: K390 MICROCLEAN. Consult your equipment’s specific documentation for maintenance procedures.
Consult blades and industrial spare parts
Check out our spare parts for industrial machinery and the options sharpening and repair. Send us brand, model, reference, measurements and photographs to study the piece and prepare your budget.