Stainless duct systems

Stainless duct systems Methods of use The circular duct system EN 1.4301, which is the most common grade of stainless steel with a range of uses including kitchen equipment, domestic appliances, other purposes for indoor use and for slightly corrosive outdoor atmospheres, consists of approximately 9% nickel, 18% chromium and the rest steel. The circular system is part of the EN 1.4404, which is recommended for use in coastal areas and in polluted city or industrial atmospheres, consists of approximately 11% nickel, 17% chromium, 2.7% molybdenum and the rest steel. It is through the amalgamation...