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TECHNICAL INFOMATION
Casting Alloys
Information regarding the properties and applications of casting alloys, including proprietary ones we have developed ourselves.
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High-strength
casting alloys -
High-toughness
casting alloys -
Wear-resistant & heat-resistant
casting alloys
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High-thermal conductivity casting alloys
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Other
SUMIKALLOY H-13(High-Strength Casting Aluminum Alloy with Good Ductility)
[Advantages]
Heat-treated high-strength alloy that combines high strength and toughness.
Has high strength, good ductility, excellent heat resistance and good machinability.
[Alloy composition]
Al-Cu-Si-Mg-Mn-system alloy
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
[Applications]
- ・Various connecting rods
- ・Tire molds
- ・Bicycle parts (cranks, etc.)
- ・Safety parts for motorcycles
- ・Turbo charger blades and special pistons
SUMIKALLOY H-14(High-Strength Casting Aluminum Alloys with Excellent Castability)
[Advantages]
Easy to cast products with complex shapes.
Easy to cast inserting cast iron, etc.
[Alloy composition]
Al-Si-Cu-Mg-system alloy
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
[Applications]
- ・Cylinder heads for racing motorcycles
- ・Bodies of processing machines
- ・Connecting rod parts for air conditioners
DK-1, DK-2, DK-3 (High-Strength Casting Aluminum Alloys)
[Advantages]
You can make a product with suitable mechanical properties for your application by choosing the right alloy from the series and applying heat treatment.
Fine crystal grains result in improved resistance to hot cracking and stress corrosion cracking.
Excellent machinability, providing a smooth and beautiful finish.
Possible to perform surface treatment of alumite, etc.
[Alloy composition]
Al-5Cu-Mg
[Applications]
- ・Aerodrome lighting apparatuses
- ・Cranks and hubs for bicycles
- ・Disc brake calipers and brackets for bicycles
[Physical properties]
(DK-1)
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
SUMIKALLOY T-31(Pressure-Resistant Casting Aluminum Alloys)
[Advantages]
Excellent castability, good casting yield, and excellent toughness.
[Alloy composition]
Al-Si-Cu-Mg-system
[Applications]
- ・Aerodrome lighting apparatuses
- ・Cranks and hubs for bicycles
- ・Disc brake calipers and brackets for bicycles
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
[Applications]
- ・Cutoff parts for electrical equipment
- ・Hydraulic equipment parts (connecting rods, etc.)
- ・Motorcycle safety parts
- ・Cylinder heads
- ・Other parts that require pressure resistance (line filters, etc.)
A356B(High-Toughness Casting Aluminum Alloys)
[Advantages]
Since Sb is added to the ingots, they require no modification at the melting site.
Sb, a permanent modification agent, improves toughness by refining eutectic Si.
Excellent corrosion resistance and alumite characteristics.
Heat treatment provides an excellent balance of strength and toughness. However, care must be taken because the surface of the product will be a grayish-black color after solution treatment.
[Alloy composition]
Al-7Si-Mg-Sb
[Applications]
- ・Automotive wheels
- ・Automobile chassis parts, including steering knuckles, etc.
- ・Various beams
- ・Anti-skid brake system (ABS) bodies
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
SUMIKALLOY E-11(Casting Aluminum Alloys with excellent ductility)
[Advantages]
Tough heat-treated casting alloys with good castability. In particular, they have excellent ductility and corrosion resistance.
[Alloy composition]
Al-Si-Mg-system alloy
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
[Applications]
- ・Safety parts for motorcycles (disc brake arms, brake caliper holders, upper brackets, etc.)
- ・Aluminum wheels and molds for resin products (automotive seats)
- ・Bicycle parts (handle stems)
- ・Boat parts (outboard motor clamps)
- ・Line hardware (spacers for three conductors)
- ・Various fans
C4CH(High-Toughness Casting Aluminum Alloys)
[Advantages]
Large elongations can be achieved without modifying the eutectic Si with Na, etc.
Excellent corrosion resistance and better alumite characteristics than A356 alloys.
Excellent castability and stable casting quality.
[Alloy composition]
Al-5Si-Mg-Ti
[Applications]
- ・Automotive disc brake calipers
- ・Motorcycle frames
- ・Automotive wheel center discs
- ・Bicycle cranks
- ・Various brackets
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
C8AE(Wear-Resistant & Heat-Resistant Casting Aluminum Alloys)
[Advantages]
Excellent high-temperature strength and creep resistance.
Better wear resistance than JIS8-type alloys.
Low thermal expansion coefficient.
Excellent dimensional stability as long as proper heat treatment is applied.
Superior machinability over A390 alloys.
[Alloy composition]
Al-14Si-Cu-Mg-Ni-Ti
[Applications]
- ・Automotive pistons
- ・High-temperature sliding components such as compressors, side covers, and cylinders
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
C9CV(Wear-Resistant & Heat-Resistant Casting Aluminum Alloys)
[Advantages]
Fine primary Si improves the machinability and mechanical properties.
Low thermal expansion coefficient and high strength at high temperatures.
Large Young's modulus, providing good rigidity.
Good castability, which means large castings are possible.
Can also be used for die castings.
[Alloy composition]
Al-17Si-Cu-Mg
[Applications]
- ・Automotive engine blocks
- ・Transmission parts, shift forks
- ・Hydraulic valve bodies
- ・High-temperature sliding components such as air compressors and cylinders
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
DL-2(Wear-Resistant Self-Lubricating Casting Aluminum Alloys)
[Advantages]
Excellent wear resistance thanks to primary Si grains.
The unique oil-reservoir forming method has improved oil retention, providing excellent seize resistance.
Low thermal expansion coefficient and high strength at high temperatures.
Also applicable for die castings.
[Alloy composition]
Al-16Si-6Mg-Cu-Mn
[Applications]
- ・General-purpose small engine blocks
- ・Engine cylinder liners
- ・Sliding components such as pistons, etc.
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
In addition, DL-1 and DL-3 alloys can be offered with different wear resistance and lubrication characteristics according to Si and Mg content.
The above values are typical, and are not guaranteed.
SHC-1, SHC-2, SHC-3, SHC-4(High Thermal Conductivity Casting Aluminum Alloys)
[Advantages]
Based on the Al-Si system, the thermal conductivity has been improved, and the castability is excellent.
We have a series of alloys for different applications, from gravity castings to high-pressure die castings.
Has excellent toughness, and you can make a product with suitable mechanical properties for your application by applying heat treatment.
Also has excellent corrosion resistance.
[Alloy composition]
Al-(3 to 13) Si
[Applications]
- ・Heat sinks
- ・Cases for electric vehicles
- ・Computer-related radiators
[Physical properties]
Swipe with your finger
[Mechanical properties]
Swipe with your finger
The above values are typical, and are not guaranteed.
Master alloy ingots
We also manufacture various types of master alloy ingots upon request.
[Chemical components]
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