I am looking to save some money and order a slab of scrap steel from a local company. My question is what kind of steel should I be asking for to ensure the steel is food grade quality?
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As long as it hasn't been used as a container of some toxic material it'll be fine. Cast iron pans are made from recycled disk brakes and nobody has any problems with them at all. – user3528438 Jun 13 '20 at 5:13
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I've just made one from aluminium, but it takes a lot of semolina to stop the pizza sticking to it. woodworking.stackexchange.com/q/10527/1344 should soon have a picture – Chris H Jun 13 '20 at 8:07
Most people recommend A36 steel, which is a fairly common low-carbon steel. As far as I understand it (procured mine through ebay), you just need to work at scraping off the mill scale with some abrasive. Wash, dry, then season like a cast iron pan. After that you should be good to go.