Sand Casting Aluminum Parts

Sand Casting Aluminum Parts

Sand Casting Aluminum Parts OEM Manufacturer Product Description and Process Sand Casting Aluminum Parts OEM Manufacturer Production process: aluminum sand casting process Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc. Surface treatment process: anodic...

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Sand Casting Aluminum Parts OEM Manufacturer

Product Description and Process

Sand Casting Aluminum Parts OEM Manufacturer

Production process: aluminum sand casting process

Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.

Surface treatment process: anodic oxidation, Dacromet coating, powder coating etc.


Product Material and Uses

Normally produce with ZL101, ZL101A, ZL102, ZL104, ZL106, ZL107, ZL109, ASTM A356 T6, A319, A413, LM6, LM20, LM25, etc.

The aluminum casting products are widely used for electronic industry, auto-car parts, railway parts, electric motor parts, aero craft parts, watercraft parts, medical treatment equipment, communication system, other machinery components, etc. 


A/356 Aluminum Sand Castings

Aluminum alloy A356.0 and 356.0 are a 7% Si, 0.3% Mg alloy with 0.2 Fe (max) and 0.10 Zn (max). The alloys have very good casting and machining characteristics.

Typically they are used in the heat-treated condition of T5 and T6 hardness properties.

Corrosion resistance is excellent and it has very good weldability characteristics. Mechanical properties are rated excellent particularly if given a solution and aging treatment (T5, T6). The anodized appearance is gray in color.

Typically this alloy is used in castings for aircraft parts, pump housings, impellers, high velocity blowers and structural castings where high strength is required. It can also be used as a substitute for aluminum alloy 6061.

The fact that 356.0 and A356.0 have good castability makes it a logical choice for intricate and complex castings where lightweight, pressure tightness and excellent mechanical properties are needed.

The A in front of an alloy designation denotes a higher purity version of the chemical composition.  The differences are in the impurity levels allowed for Fe, Cu, Mn, Cr, Zn, and Ti and are as follows (all maximums):


535 Almag/Almag 35 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.


319 Aluminum Sand Castings

Aluminum alloy 319 is a 6% Si and 3.5% Cu alloy with 1.0 Fe maximum. It has excellent casting and machining characteristics. Corrosion resistance and weldability are very good. Mechanical properties are good in both the heat-treated (T5) and non-heat treated conditions.

The anodized color is generally gray with a brown cast depending on the amount and ratio of silicon and copper.

Typical applications for sand casting 319.0 are a wide variety of structural castings for engine parts, engine crankcases, gas and oil pans, and general commercial applications.


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