ADC10 ADC12 LM6 LM9 LM24 LM25 AC46000 Scrap
ADC10 Aluminum Alloy Ingots
ADC10 JIS H5302

ADC10

High Strength for Structural Die Casting

Color Codes
Red
White

ADC10 is a high-performance aluminum die casting alloy designed for applications demanding superior mechanical strength alongside reliable corrosion resistance. Its lower silicon and higher copper content compared to ADC12 results in a stiffer, stronger alloy suited to load-bearing structural parts.

Widely specified in automotive structural and powertrain components where dimensional accuracy and strength under stress are critical requirements.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)7.5 – 9.5%8.5%Fluidity and wear resistance
Copper (Cu)2.0 – 4.0%3.0%Primary strength contributor
Iron (Fe)≤ 0.9%0.9%Prevents die soldering
Manganese (Mn)≤ 0.5%0.25%Hot strength and grain refinement
Zinc (Zn)≤ 1.0%0.5%Minor strengthening
Magnesium (Mg)≤ 0.3%0.1%Controlled for ductility balance
Aluminum (Al)Balance~86%Base metal
320MPaTensile Strength
180MPaYield Strength
90HBHardness
  • Higher tensile and yield strength than ADC12
  • Good corrosion resistance in industrial environments
  • Excellent dimensional repeatability in HPDC
  • Suitable for complex structural geometries
  • Good machinability for post-cast finishing

Typical Applications

Structural Brackets Gear Housings Suspension Components Engine Mounts Valve Bodies HPDC
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ADC12 Aluminum Alloy Ingots
ADC12 JIS H5302

ADC12

The Industry Standard for High-Pressure Die Casting

Color Codes
Red
White

ADC12 is the most widely used aluminum die casting alloy globally, and for good reason — it delivers an outstanding combination of fluidity, castability, and mechanical strength that makes it ideal for complex, thin-wall components at high production volumes.

Its high silicon content gives excellent flow characteristics in the die, reducing cold shuts and misruns, while the copper content improves machinability and tensile strength after casting.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)9.6 – 12.0%10.5%Improves fluidity and castability
Copper (Cu)1.5 – 3.5%2.0%Increases strength and hardness
Iron (Fe)≤ 0.9%0.9%Prevents die soldering
Manganese (Mn)≤ 0.5%0.3%Improves hot strength
Zinc (Zn)≤ 1.0%0.5%Minor strengthening effect
Magnesium (Mg)≤ 0.3%0.15%Controlled for ductility
Cadmium (Cd)≤ 0.009%0.15%Improves machinability
Aluminum (Al)Balance~85%Base metal
310MPaTensile Strength
170MPaYield Strength
85HBHardness
  • Outstanding mold-filling ability for thin sections and intricate geometry
  • Excellent dimensional stability after casting
  • Good machinability for secondary operations
  • Low shrinkage, reducing porosity in final parts
  • Widely compatible with shot blasting and powder coating

Typical Applications

Automotive Engine Parts Transmission Housings Brake Calipers Pump Bodies Electronic Enclosures Industrial Equipment HPDC
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LM6 Aluminum Alloy Ingots
LM6 BS 1490

LM6

Maximum Corrosion Resistance for Marine & Outdoor Use

Color Codes
Yellow

LM6 is a high-purity aluminum-silicon alloy engineered for applications where corrosion resistance is the primary requirement. Its very high silicon content and near-zero copper content make it one of the most corrosion-resistant casting alloys available, performing reliably in marine, coastal, and chemically aggressive environments.

Its excellent castability and low shrinkage make it well-suited for sand casting and gravity die casting of large or complex shapes where surface integrity is important.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)10.0 – 13.0%11.5%Fluidity, wear & corrosion resistance
Copper (Cu)≤ 0.1%0.05%Minimized — key to corrosion resistance
Iron (Fe)≤ 0.6%0.4%Kept low for ductility
Manganese (Mn)≤ 0.5%0.2%Minor strengthening
Magnesium (Mg)≤ 0.1%0.05%Minimized for corrosion performance
Zinc (Zn)≤ 0.1%0.05%Tightly controlled impurity
Aluminum (Al)Balance~88%Base metal
160MPaTensile Strength
90MPaYield Strength
55HBHardness
  • Exceptional resistance to saltwater and marine corrosion
  • Excellent castability with low shrinkage and good mold fill
  • Good pressure tightness for fluid-handling applications
  • Suitable for large, intricate sand castings
  • Good weldability for repair or fabrication

Typical Applications

Marine Fittings Outdoor Structures Chemical Plant Pump Casings Water Treatment Sand Casting GDC
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LM9 Aluminum Alloy Ingots
LM9 BS 1490

LM9

High-Silicon Alloy for Wear Resistance & Complex Castings

Color Codes
Yellow
Brown

LM9 is a high-silicon aluminium casting alloy conforming to British Standard BS 1490 LM9. Its elevated silicon content provides excellent fluidity, good wear resistance, and reliable casting performance for intricate and thin-walled components.

The alloy is widely used where dimensional stability, casting integrity, and resistance to abrasion are important. LM9 is particularly suitable for gravity die casting applications requiring complex geometries and consistent production quality.

Chemical Composition (%)

Silicon (Si)10.0 – 13.0
Magnesium (Mg)0.2 – 0.6
Manganese (Mn)0.3 – 0.7
Iron (Fe)0.6 Max.
Copper (Cu)0.1 Max.
Nickel (Ni)0.1 Max.
Zinc (Zn)0.1 Max.
Lead (Pb)0.1 Max.
Tin (Sn)0.05 Max.
Titanium (Ti)0.2 Max.
Aluminium (Al)Remainder

Key Properties

  • Excellent casting fluidity
  • Good wear and abrasion resistance
  • Suitable for intricate casting geometries
  • Good dimensional stability
  • Reliable mechanical performance
  • Conforms to BS 1490 LM9 specification

Typical Applications

Automotive Components Gear Housings Pump Bodies Compressor Parts Industrial Castings Gravity Die Castings
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LM24 Aluminum Alloy Ingots
LM24 BS 1490

LM24

General Purpose Pressure Die Casting Alloy

Color Codes
Red
Blue

LM24 is a versatile, general-purpose aluminum alloy formulated specifically for pressure die casting. It delivers a reliable balance of mechanical properties, good machinability, and consistent casting behavior — making it a practical choice when ADC12 or LM25 may be over-specified for the application.

Its higher copper content versus LM25 gives it better strength in the as-cast condition, while its silicon level ensures adequate mold-filling for mid-complexity parts.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)7.5 – 9.5%8.5%Castability and fluidity
Copper (Cu)3.0 – 4.0%3.5%Strength in as-cast condition
Iron (Fe)≤ 1.3%0.9%Die soldering prevention
Manganese (Mn)≤ 0.5%0.3%Elevated-temperature strength
Zinc (Zn)≤ 3.0%0.6%Minor strengthening
Magnesium (Mg)≤ 0.3%0.1%Controlled for ductility
Aluminum (Al)Balance~86%Base metal
300MPaTensile Strength
160MPaYield Strength
85HBHardness
  • Good mechanical properties in the as-cast condition
  • Better machinability than many die casting alloys
  • Suitable for medium-complexity die geometry
  • Cost-effective general-purpose alternative
  • Compatible with common surface finishing processes

Typical Applications

General Castings Industrial Equipment Consumer Hardware Automotive Fittings Electrical Housings HPDC
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LM25 Aluminum Alloy Ingots
LM25 BS 1490

LM25

Heat-Treatable Alloy for Precision & Aerospace

Color Codes
Yellow
Blue

LM25 is a premium heat-treatable aluminum-silicon-magnesium alloy that offers an exceptional strength-to-weight ratio after T6 heat treatment. Its very low copper content gives it superior corrosion resistance, making it the preferred choice for aerospace, defence, and precision engineering applications.

Unlike ADC grades, LM25 is optimized for gravity die casting (GDC) and low-pressure die casting (LPDC), where slower fill rates allow its excellent pressure-tightness and surface finish characteristics to shine.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)6.5 – 7.5%7.0%Castability and fluidity
Magnesium (Mg)0.20 – 0.60%0.35%Age-hardening response (with Si)
Iron (Fe)≤ 0.5%0.3%Minimized for better ductility
Copper (Cu)≤ 0.2%0.05%Kept minimal for corrosion resistance
Manganese (Mn)≤ 0.3%0.1%Grain refinement
Titanium (Ti)≤ 0.2%0.1%Grain refiner addition
Aluminum (Al)Balance~92%Base metal
280MPaTensile (T6)
240MPaYield (T6)
75HBHardness (T6)
  • Excellent response to T6 heat treatment — major strength gains post-cast
  • Superior corrosion resistance due to minimal copper content
  • Outstanding pressure tightness for hydraulic and pneumatic parts
  • Good weldability and anodizing response
  • Excellent surface finish for decorative and functional components

Typical Applications

Aerospace Structures Defence Components Hydraulic Housings Wheel Hubs Road Transport GDC LPDC
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AC46000 Aluminum Alloy Ingots
AC46000 EN 1706

AC46000

European Standard Equivalent to ADC12

Color Codes
Red
White

AC46000 is the EN 1706 European standard designation for the alloy broadly equivalent to ADC12, formulated specifically for the European automotive and engineering supply chain. It delivers the same excellent fluidity, castability, and HPDC performance as ADC12 while meeting EU RoHS compliance requirements and European OEM material specifications.

Manufacturers supplying European automotive tiers or exporting to EU markets frequently specify AC46000 over ADC12 to ensure full standards compliance and traceability.

Chemical Composition

ElementRangeTypicalRole
Silicon (Si)9.6 – 12.0%10.5%Fluidity and castability
Copper (Cu)1.5 – 3.5%2.0%Strength and hardness
Iron (Fe)≤ 1.3%0.9%Die soldering resistance
Manganese (Mn)≤ 0.55%0.3%Hot strength
Zinc (Zn)≤ 1.2%0.5%Minor strengthening
Magnesium (Mg)≤ 0.35%0.15%Ductility balance
Aluminum (Al)Balance~85%Base metal
310MPaTensile Strength
170MPaYield Strength
85HBHardness
  • Full compliance with EN 1706 European standard
  • Meets EU OEM material traceability requirements
  • Identical casting performance to ADC12
  • RoHS compliant formulation
  • Spectrometer-certified chemical composition report supplied with each batch

Typical Applications

Automotive Engine Parts European OEM Supply Transmission Components Export Castings Industrial Equipment HPDC EN Standard
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Aluminum Scrap Processing

Aluminum
Scrap

RP Die Casting is committed to environmental sustainability through our comprehensive aluminum scrap processing services. We transform various grades of aluminum scrap into high-quality recycled materials, supporting the circular economy while maintaining exceptional standards.

Our advanced sorting and processing facilities handle everything from clean turnings to mixed alloy scrap — converting waste materials into valuable resources for manufacturing industries.

  • Clean aluminum turnings and shavings
  • Aluminum radiator scrap
  • Aluminum extrusion scrap
  • Cast aluminum scrap
  • Aluminum sheet and plate offcuts
  • Mixed aluminum alloy scrap
  • Aluminum wire and cable scrap