We use 5052 Aluminum for our Aluminum Piano Hinges

5052 is a magnesium (2.5%) based alloy used for a wider range of applications. A marine alloy by nature. Can substitute for 6061 in some applications. It  is a non-heat treatable alloy that is weldable., and is hardened by cold work. It has good forming characteristics and good corrosion resistance, including resistance to salt water.  Commonly used in the manufacture of hydraulic tubes, kitchen cabinets, small boats, home freezers, milk crates, aircraft tube, fencing, and appliances. It is also commonly used in sheet metal work and in sheet metal parts.

Advantages

High strength

• Excellent corrosion resistance

• Versatile


 Chemical Makeup

Aluminum

Balance

Chromium

0.15 - 0.35

Copper

0.1 max

Magnesium

2.2 - 2.8

Manganese

0.1 max

Remainder Each

0.05 max

Remainder Total

0.15 max

Silicon + Iron

0.45 max

Zinc

0.1 max

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