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  • Users: PhilSBT
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  1. PhilSBT

    What grade of ductile iron do you use for hp crank?

    I am trying to find out what type of iron is used for crank shaft material.It is a motorcycle type crank and we don"t what to go with forged so we are looking at ductile iron just not sure about the grade.
  2. PhilSBT

    Does any body know a quick way to check effective case depth?

    After we cold saw the gears and polish the surface to check core hardness is there a chemical that you can put on the surface to let it discolor from were the case hardness starts to were it fades?
  3. PhilSBT

    What would be a JIS steel that is very close to our 4820?

    Right now we are using JIS 420 and are not real happy with the durability of the gears and are looking for an alterative.

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