you might want to rethink about stainless.they used cast iron for a reason......and when you use coal,,you HAVE to keep a bed of ashes on the grates.. as the heat of the coal,,is at times hot enough to do what happened to you....acme stove co, may have your grates...Do anyone else's grates look this bad? I burned all wood until last year when I switched to Anthracite Coal. It just fried these grates to pulp. Working on making a whole new grate in stainless. I'll post the finished product once its complete.
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that grate certainly isnt cast... but i agree dont use stainless, it will likely warp alot worse than the hot rolled A-36 that the original grate was made out of...you might want to rethink about stainless.they used cast iron for a reason......and when you use coal,,you HAVE to keep a bed of ashes on the grates.. as the heat of the coal,,is at times hot enough to do what happened to you....acme stove co, may have your grates...
and THATS why I say cast iron.........................Yes, I have seen grates that bad but it took many years to get that way. With wood fires only. They were cast iron too.The replacements were steel,welded up by a very good shop but they only lasted 3 years.
Meh...there's at least a couple more fires left in them grates.Do anyone else's grates look this bad? I burned all wood until last year when I switched to Anthracite Coal. It just fried these grates to pulp. Working on making a whole new grate in stainless. I'll post the finished product once its complete.
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I agree, the ashes hold in the heat and cause the warpage. My set warped after 2-3 years and brother in law actually made new grate out of bar stock twice and they both warped. "straightened my original and added a brace and still burning it. Will likely have to replace in next year or so but best way to minimize warpage is keep air moving across grates to keep heat buildup down.Absolutely right.At least 2" between the bottom of the grate and the top of the ashes and more is better!Some ashes should be allowed to remain on top of the grate too.
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