> I wonder what the effect of oven cleaners would have on copper or steel? > Suggest a trial run on scrap! > > Cheers! Hubert Oven cleaners are usually made of Sodium Hydroxide which will not harm steel, but I don't know about copper. Acids are what you have to avoid around metals. Jesse in sunny Tennessee where I have my wonderful Dodge Diesel loaded for a week of fun and smoke at the Mid-South Live Steamers meet this week. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.