304 Stainless Steel Plate. 304 Stainless Plate, the most widely used of the stainless and heat resisting steels. 304 stainless plate offers good corrosion resistance to many chemical corrodents as well as industrial atmospheres and marine environments Typical specifications for 304 Plate and 304L Stainless Steel Plate are ASTM A-240, ASME SA -240 and A666.China Stainless Steel Heating Plate, Stainless Steel Quality Stainless Steel 304 316L Liquor to Water Heating Cooling Plate Heat Exchanger Plates. FOB Price:US $ 300-1200 / Piece. Min. Order:1 Piece. Certification:CE, UL. Application:Heater, Cooler, Condenser. Principle:Mixing Heat Exchanger. Style:Plate Type. Material:Stainless Steel.