What are the raw materials used in making stainless steel cookware?
There are many factors to consider, cast iron cannot be made thin enough, so it is able to retain more heat. On the other hand take long time to reach the temperature. Stainless steel and cast iron comes in many grades, many types and many compounds, example, some have Al., or Cu…..All in all kind or proportions. Cast iron has Fe, but it come with different amount of Carbon content. I suggest you go to library. Find a hand book of Metal and search in the index at the back and the contains in the front. Stainless with Chromium should be avoided in food prep, so the Cu. Most Stainless skillet have Cu cladding on the out side, or encased aluminium disc for even heating, different manufacturers use various(techniques or trade trick to over come certain short coming of the material itself. Stainless has hard spot that show up as hot spots, and cause local over cocking or even burning, so cocking trick is to apply even, but lowest possible slow heat after the vessel has attained the temper
