Stainless steel value cover 1.Material:stainless steel CF8M,316. 2.Process:Investment casting 3.Used in clean ... 's requirement,drawings or samples. 1)Material:Stainless steel,Alloy steel,High Nickel and Chromium steel,Carbon steel,Special material as customer's requirement; 202 ... industry. We wellcome any inquiry you may have for castings. Stainless Steel Valve Cover