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Standards for metal wear plate material selection

Standards for metal wear plate material selection

Standards for metal wear plate material selection

(OP)
Does anyone know of any standards or even "rules of thumb" generally applied when choosing a material as a wear part?
I have a cast iron roller that runs on a steel track. The roller has a Rockwell B hardness of 95. I need to specify the hardness of the track such that the roller is the wear component in the system. Is there a standard that will tell me what material hardness ratio or value I need to have to ensure the roller wears before the track?

RE: Standards for metal wear plate material selection

my rule of thumb is that hardness is not a very good wear indicator. Especially for erosion.

RE: Standards for metal wear plate material selection

Is it a rail or just a track?
You could look at data for heat treated rail and see what hardness they use.
Based on experience I would think that if your track was RC35-40 it will still be tough enough to not chip or crack, and almost all of the wear should be on the CI.

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