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Heat Treating 1141 for Corrosion Resistance

Heat Treating 1141 for Corrosion Resistance

Heat Treating 1141 for Corrosion Resistance

(OP)
I am trying to avoid plating, coating, etc. on a hardened part but still need for it to resist corrosion.  I'm heat treating a part made of 1141 to Rc 58.  The company hardening my part is using the furnace then performing the quenching in an oil bath.  In this typical application can I assume some corrosion resistance, or do I have better options.  Also, I am using 1141 and not stainless, as I have extensive machining on this part.
Thanks

RE: Heat Treating 1141 for Corrosion Resistance

1141 steel with no surface treatment will corrode quite readily.  You cannot avoid plating, coating, etc. and expect the part to not corrode.

No, you cannot assume corrosion resistance.

If you want recommendations for appropriate materials (including surface treatments), please reply with details regarding the final application, forces, environment, etc.

Regards,

Cory

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RE: Heat Treating 1141 for Corrosion Resistance

Depending on the type of corrosion involved, hardening a part does not improve it's corrosion resistance, in fact it usually lowers it. The sulphur inclusions that are always inherent in 1141 steel will exacerbate your problem by serving as both crack initiation sites (why I NEVER use 1141) and as anodes that will form pits.

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