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mild steel corrosion

mild steel corrosion

mild steel corrosion

(OP)
Have made some mild steel oven racks for a retort system oven. Cycles 4hrs at 425 deg. C. Enviornment includes moisture and phospor powder, resulting in producing some phosphoric acid. Do not wish to use stainless, Is there a plating system out there that would likely withstand our conditions?   

RE: mild steel corrosion

Not sure that a trace of phosphoric acid (absent a flowing liquid) is corrosive toward mild steel.  Might form a passive phosphate coating.

Suggest running some bare & nickel-plated test coupons.

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