Aluminum alloy brazing sheet
US11969830B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2021 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Jan 29, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/166
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An aluminum alloy brazing sheet including a core material, a sacrificial material provided on one surface of the core material, a brazing filler material provided on the other surface side of the core material, and an intermediate layer provided between the core material and the brazing filler material. The core material contains Si: 0.30 to 1.00 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.60 to 1.20 mass %, Mg: 0.05 to 0.80 mass %, and Al. The sacrificial material contains Si: 0.10 to 1.20 mass %, Zn: 2.00 to 7.00 mass %, Mn: 0.40 mass % or less, and Al. The intermediate layer contains Si: 0.05 to 1.20 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.10 to 1.20 mass %, and Al.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.