Vitreous porcelain enamel is a glass that is bonded to metal (generally carbon steel, stainless steel, cast iron or aluminum) at temperatures from 1000u00b0f u2013 1600u00b0f (540 u2013 870u00b0c). porcelain enamel has long been used as an ultimate-quality, highly durable coating for large and small applications in chemical storage vessels such as valves, pumps, pipe drains, hydrants, pipes, tanks and ... Soft cobalt nickle ground coat for enamel pail , find complete details about soft cobalt nickle ground coat for enamel pail,porcelain enamel,enamel frit,ground coat from supplier or manufacturer-hunan noli enamel co., ltd. Porcelain enamel can be made with many metals, including cast iron and aluminum. however, over 85% is used on steel. the glass properties of the porcelain enamel finish make it superior to organic materials, such as paint. it is a hard, scratch-resistant coating that remains colorfast and glossy after years of use. Porcelain enamel coating is widely used where a smooth, durable, scratch and chemical resistant coating is needed in products such as stoves, ovens, and grills. contact us at 815.569.2301 to speak with one of our porcelain enamel coating experts.