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rotor steel
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Posted to rec.crafts.metalworking
David Lesher
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rotor steel
writes:
All my experience has been with cast IRON rotors, porosity is a
manufacturing defect, all too common on off-shored parts. I've never
seen steel rotors, the friction coefficient will be different and they
probably won't last as long. The graphite pockets in the cast iron
help with longevity.
This is the factory rotor in question.
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