ALUMINUM ALLOY FIN MATERIAL FOR HEAT EXCHANGERS, METHOD OF PRODUCING THE SAME, AND HEAT EXCHANGER

• Main Authors: YAMAMOTO, Dai, YAMASHITA, Naoki, ITAYA, Eiji
• Format: Patent
• Language: English
• Published: 18.03.2021
• Subjects: ALLOYS; BLASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; FERROUS OR NON-FERROUS ALLOYS; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS

An aluminum alloy fin material for heat exchangers, the aluminum alloy fin material being made of aluminum alloy comprising: 1.00 to 1.60 mass % of Mn; 0.70 to 1.20 mass % of Si; 0.05 to 0.50 mass % of Fe; 0.05 to 0.35 mass % of Cu; and 1.00 to 1.80 mass % of Zn, with the balance being Al and inevitable impurities, in which a matrix of the aluminum alloy has a fibrous structure, and tensile strength thereof is 170 to 230 MPa. According to the present invention, an aluminum alloy fin material for heat exchangers having excellent formability before brazing, excellent brazing properties, and excellent strength properties and corrosion resistance after brazing can be provided.