It can use 304, 2 mm stainless steel plate, use stainless steel pipe is ok.
The requirements of iron material to make barbecue plate <some steel can not be used , because they are toxic>
The requirements of iron material to make barbecue plate are very strictly, and some steel products can not be used because of their content elements of various steel products is different during the refining, some content is the toxic element, can not be made into dishes. The requirements of steel is also need corrosion-resistant, high temperature resistant.
The iron material of making barbecue plate needs pig iron which is not easy to deform. If you want to have a good look, you could choose a pattern of turtle or cattle, or other kinds of animals patterns. When you buy it, you should to see whether it has trachoma, and to estimate its weight, the more weight the better, and it will has heat resistant for longer time. Otherwise, it is not good if it has trachoma, it is easy to become dirty and hard to wash it.