535 Almag Aluminum Sand Castings
Aluminum alloy 535.0, also called almag 35, is an aluminum magnesium alloy that does not require heat treatment to reach full properties. It has excellent corrosion resistance and machining characteristics. Milling and turning speeds are 4X faster than alloy 319.0, and 16 to 18 times faster than gray iron or malleable iron.
The anodizing rating is excellent and the color is satin white after anodizing.
The polishing rating is also excellent and the castings can be buffed to a silvery white color.
The weldability rating is poor and it also is not recommended for leak tight or pressure type applications.
Typically used for parts where dimensional stability and shock resistance is important. It is also used for marine hardware, ornamental fittings and castings where lighter weight and high strength is a prime consideration. Almag 35 is 10% lighter than average cast aluminum alloys, 64% lighter than gray iron and 69% lighter than bronze.
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Typical Mechanical Properties
| Alloy | Temper | Ultimate Tensile (ksi) | Yield Strength (ksi) | Brinell Hardness (500 Kg) | Shearing Strength (ksi) |
|---|---|---|---|---|---|
| 319.0 | F | 27 | 18 | 70 | 22 |
| 355.0 | T6 | 35 | 25 | 80 | 28 |
| 356.0 | T6 | 33 | 24 | 70 | 26 |
| A356.0 | T6 | 40 | 30 | 75 | |
| A357.0 | T6 | 46 | 36 | 85 | 40 |
| 535.0 (Almag 35) | F | 40 | 20 | 70 | 27 |
| 713.0 (Tenzaloy) | F or T5 | 34 | 23 | 75 | 265 |
Chemical Composition (%)
| Alloy | Cu. | Si. | Mg. | Zn. | Other |
|---|---|---|---|---|---|
| 319.0 | 3.5 | 6 | |||
| 355.0 | 1.3 | 5 | 0.5 | ||
| 356.0 | 7 | 0.3 | |||
| A356.0 | 7 | 0.3 | Fe 0.2 max | ||
| A357.0 | 7 | 0.6 | Ti 0.1 Be 0.06 | ||
| 535.0 (Almag 35) | 6.9 | Be 0.005 | |||
| 713.0 (Tenzaloy) | 0.7 | 0.4 | 7.5 |
Typical Applications
| Alloy | Application |
|---|---|
| 319.0 | Engine crankcases, gas and oil tanks, engine oil pans, engine parts. |
| 355.0 | Air compressor pistons, printing press, water jackets & crankcases. |
| 356.0 | Flywheel castings, automotive transmission cases, oil pans, pump bodies. |
| A356.0 | High strength airframe and space frame structural parts, machine parts, truck chassis parts, high velocity blowers and impellers. |
| A357.0 | High strength aerospace castings. |
| 535.0 (Almag 35) | High strength alloy used for electronic equipment, aircraft components and parts requiring a high degree of dimensional stability and strength. Superior ductility makes it an excellent replacement for malleable iron. No heat treat required. |
| 713.0 (Tenzaloy) | Automotive parts, trailer parts, pumps & mining equipment. |
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