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Aluminum Sand Casting Process ASTM A356 T6 Treatment Aluminum Castings Custom Products

Categories Cast Aluminium Parts
Brand Name: Non-Standard
Model Number: Non-Standard
Place of Origin: China
MOQ: 1 Ton
Price: quote according to different drawing technique requirements
Payment Terms: T/T, L/C
Supply Ability: 300 Tons every month
Delivery Time: within 60 days
Packaging Details: Plywood crate
Certification: ISO9001
Material: ASTM A356 etc.
Process: Aluminum Sand Casting Process
Machining: CNC machining
Surface: Natural Color
Packing: Plywood Crate
Heat Treatment: T6 Treatment
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Aluminum Sand Casting Process ASTM A356 T6 Treatment Aluminum Castings Custom Products

Aluminum Sand Casting Process ASTM A356 T6 Treatment Aluminum Castings Custom Products


Product Description and Process
Aluminum Sand Casting Process ASTM A356 T6 Treatment Aluminum Castings Custom Products

Production process: green sand casting process, pre-coated 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.





Aluminum Sand Casting Foundry
We have over 20 years of experience in the design and manufacturing of quality aluminum sand castings.
Sand mold casting is the most direct and low cost means of converting metal into a desired shape. Aluminum castings are virtually unlimited in their ability to provide users with a wide range of advantages and applications.
Aluminum has a high strength-to-weight ratio that is approximately one third the weights of cast iron, steel, brass and zinc.
With excellent corrosion resistance, reduced machining cycles, and the ability to anodize, buff, electroplate and powder coat, aluminum castings make it more cost effective than a welded component, stamping or forging.
The light weight of aluminum, the improved strength that engineered alloys offer, and the increased ability of the sand casting process to produce stronger and thinner walled parts allow us to produce a variety of castings for our customers ranging in size from 1 ounce up to 600 pounds.

Sand Casting
In sand casting, re-usable, permanent patterns are used to make the sand moulds. The preparation and the bonding of this sand mould are the critical step and very often are the rate-controlling step of this process. Two main routes are used for bonding the sand moulds:
• The "green sand" consists of mixtures of sand, clay and moisture.
• The "dry sand" consists of sand and synthetic binders cured thermally or chemically.
The sand cores used for forming the inside shape of hollow parts of the casting are made using dry sand components.
This versatile technique is generally used for high-volume production.
Normally, such moulds are filled by pouring the melted metal in the filling system. Mould designing is a particularly complex art and is based on the same principle as gravity die casting.
In the "low pressure" sand casting technique, the melted metal is forced to enter the mould by low pressure difference. This more complicated process allows the production of cast products with thinner wall thickness.
Aluminum Alloy Characteristics:
High operating temperatures
Outstanding corrosion resistance
Lightweight
Very good strength and hardness
Good stiffness and strength-to-weight ratio
Excellent EMI and RFI shielding properties
Excellent thermal conductivity
High electrical conductivity
Good finishing characteristics
Full recyclability
Aluminum’s strength, corrosion resistance, and heat dissipating properties offer mechanical designers significant advantages. And our proprietary Thin Wall Aluminum Technology has made aluminum die casting an option for even more applications.

A380 Aluminum Alloy
The most popular alloy for aluminum die casting is A380. We use A380 because it has demonstrably the best combination of physical and mechanical properties for casting, including being lightweight, very strong at high temperatures and corrosion resistant. A380 is also very good at retaining dimensional stability even with complex shapes and thin walls and offers high electrical and thermal conductivity.
A383 Aluminum Alloy
Another option for die casters is to use A383 aluminum alloy. This is alloy is typically only used when you are forming intricate components and require very specific die-filling characteristics. While it doesn’t share all the properties of A380, it does offer higher strength at high temperatures with less chance of cracking under heat.
A360 Aluminum Alloy
A360 is harder to cast than A380, which is why many die casters avoid it. However, it does offer higher strength at high temperatures, better ductility and higher corrosion resistance, so you may want to consider this alloy depending on your casting abilities and needs.
A360 vs. A380 v. A383
To summarize the differences between the three types of casting alloys as outlined above, A360 has the best pressure tightness, high-temperature strength and corrosion resistance of the three alloys.
A380 is also highly corrosion-resistant but more cost-effective and easier to work with than A360, so this is the one you would use most commonly if you have budgetary concerns to consider and don’t need the highest levels of corrosion resistance or pressure tightness.
A383 is a modified A380 alloy you would only use if you need precise die filling that you are not getting from your A380 alloy, as it is not as durable as A380.

Typical Mechanical Properties

AlloyTemperUltimate Tensile (ksi)Yield Strength (ksi)Brinell Hardness (500 Kg)Shearing Strength (ksi)
319.0F27187022
355.0T635258028
356.0T633247026
A356.0T6403075
A357.0T646368540
535.0 (Almag 35)F40207027
713.0 (Tenzaloy)F or T5342375265


Chemical Composition (%)

AlloyCu.Si.Mg.Zn.OtherAl.
319.03.56---Bal.
355.01.350.5--Bal.
356.0-70.3--Bal.
A356.0-70.3-Fe 0.2 maxBal.
A357.0-70.6-Ti 0.1 Be 0.06Bal.
535.0 (Almag 35)--6.9-Be 0.005Bal.
713.0 (Tenzaloy)0.7-0.47.5-Bal.


Typical Applications

AlloyApplication
319.0Engine crankcases, gas and oil tanks, engine oil pans, engine parts.
355.0Air compressor pistons, printing press, water jackets & crankcases.
356.0Flywheel castings, automotive transmission cases, oil pans, pump bodies.
A356.0High strength airframe and space frame structural parts, machine parts, truck chassis parts, high velocity blowers and impellers.
A357.0High 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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