Products Category

Lizhong Alloy Group has more than 200 types of aluminum alloy products, including Chinese standards, international standards and customized standards by customers.
In 2003, we pioneered the development of long-distance transfer technology for molten aluminum alloy in China. This innovation has helped customers significantly reduce equipment investment, minimize metal losses from secondary remelting, and lower energy consumption and carbon emissions.
Lizhong Alloy's developed aluminum alloy spectroscopic reference materials have passed the certification of the National Standards Committee, and the company is a designated developer of the National Technical Committee on Reference Materials.

Casting Aluminum Alloy Ingots
Wrought Aluminum Alloys
Casting Aluminum Alloy Liquid‌
01
NEW NON-HEAT-TREATMENT ALUMINUM ALLOY MATERIAL FOR GIGA-CASTING
Details

Advantages: Provide high-strength-toughness, high-yield, high-thermal stability, and recycled low-carbon product series, all engineered to meet specific customer design and quality requirements.

R&D Models: Independent R&D, collaborative R&D with customers, and joint R&D with prestigious institutions, such as Tsinghua University.

Applications: Large-scale GIGA-casted aluminum alloy structural components、including EV‘s monocoque bodies、rear floor、front engine compartments、sub-frames、battery packs、battery trays、housing for E-Drive systems、front cabin triangular beams.

02
BRAZABLE CAST ALUMINUM ALLOY

Advantages: Available in both high and low-thermal-conductivity variants, formulated without expensive elements, such as Ni or V, enables the use of casting processes as a substitute for forging, facilitating cost-effective, streamlined, low-carbon, and environmentally friendly production of thermal management components.

R&D Models: Independent R&D, collaborative R&D with customers.

Processes: High-pressure、high-temperature brazing.

Applications:Flow path plates for heat-pump air conditioning systems in EVs, energy storage, computing centers, and Liquid cooling plates for telecommunication industries.

03
HIGH CONDUCTIVE /THERMAL CONDUCTIVE DIE CASTING ALUMINUM ALLOY
Details

Advantages: Series of products, good balance between mechanical property/electric conductivity & thermal conductivity, cost-efficient.

R&D Models: Independent R&D, collaborative R&D with customers, and joint R&D with prestigious institutions such as Tsinghua University.

Processes: Gravity casting, low-pressure casting, differential-pressure casting, and centrifugal casting, as well as extrusion or other forming processes.

Applications: High-speed rotors of EV motors, structural components with thermal/conductive functions of communication devices, etc.

04
RECYCLED LOW-CARBON A356 ALLOY

Advantages: Use 75% of recycled aluminum, compared with A356.2 produced by 100% primary aluminum, can reduce carbon emission 12.4 tCO₂e/t and keep the mechanical performance.

R&D Models: Independent R&D, collaborative R&D with customers.

Processes: Gravity casting, low-pressure casting and differential-pressure casting.

Applications: Aluminum alloy wheels, high-strength & high-toughness structural components for vehicles.

05
Ultra-High-Strength Cast Aluminum Alloy

Advantages: Offers even higher mechanical properties after heat-treatment, compared with current high-strength cast aluminum alloys, with its excellent cast ability. It enables casting to replace forging for some 2xxx, 6xxx, and 7xxx alloys, simplifying the process and reducing part costs.

R&D Models: Independent R&D, collaborative R&D with customers.

Processes: Low-pressure/high-pressure casting, etc.

Applications: High-strength parts in automotive, humanoid robot, UAVs, and aerospace industries.

06
Anodizable Aluminum Alloy New Material

Advantages: Offers excellent cast ability and mechanical properties while being suitable for multi-color anodizing.

R&D Models: Independent R&D.

Processes: High-pressure casting.

Applications: high-strength structural components with aesthetic requirements in consumer electronics, robotics, and automotive industries.

07
ALUMINUM ALLOY SPECTROSCOPIC REFERENCE SAMPLES
Details

In 2018, with the goal of enriching its portfolio of aluminum alloy reference materials and meeting the industry's and customers' needs for precise testing, Lizhong Alloy Group leveraged its 40 years of experience in producing cast and wrought aluminum alloys. Through strategic investments in talent, equipment, and capital, along with extensive research and repeated testing, the group obtained the designation as a "Designated Developer of Non-ferrous Metal Reference Materials" from the National Standardization Committee in 2022.

08
Microcrystalline silicon-aluminum new material (series)
Details

In 2020, Lizhong Group established a new business unit for microcrystalline silicon-aluminum materials, specializing in the research, development, and manufacture of silicon-aluminum alloys (with silicon content ranging from 10% to 90%), aluminum-based composites, microcrystalline aluminum alloys, and 3D printed aluminum alloy materials. The products are primarily used in high-end precision equipment such as electronic packaging, optics, and semiconductors, as well as in target materials, powder metallurgy, and additive manufacturing.

NEW NON-HEAT-TREATMENT ALUMINUM ALLOY MATERIAL FOR GIGA-CASTING
Alloy Brands Technical Achievements Technical Achievements Processes Processes
LZHM-01(AISi7MnMg) Invention Patent 201510960833.7 Balanced strength and toughness with comprehensive performances. GIGA-Casting non-heat-treatment structural components. Large-scale integrated aluminum alloy structural component of EVs, such as rear floor, front engine compartments, battery trays, etc.
LDHM-02(AISi9MnMoZr) Invention Patent 202010018461.7 Optimal Strength-toughness balance, superior thermal Stability, excellent cast ability, Low casting temperature & extended mold life. High-pressure casting for GIGA-Casted structural components. Large-scale integrated aluminum alloy structural component of EVs, such as rear floor, front engine compartments, battery trays, etc.
LZHM-03(AISi8MnMgCu) Invention Patent 202311414034.0 Superior strength-toughness balance with high impurity tolerance, allowing for low-carbon, cost-efficient production. High-pressure casting for GIGA-Casted structural components. Large-scale integrated aluminum alloy structural component of EVs, such as rear floor, front engine compartments, battery trays, etc.
LZHM-04(AISi8MnZnMg) Invention Patent 202310894260.7 Superior strength-toughness balance with high impurity tolerance, allowing for low-carbon, cost-efficient production.
Low cooling-rate sensitivity ensures same properties across different sections of large-scale structural castings.
High-pressure /low-pressure casting for GIGA-Casted structural components Large-scale integrated aluminum alloy structural component of EVs, such as rear floor, front engine compartments, battery trays, etc.
LZHM-05(AISi9MnMgCu) Invention Patent 202510479750.X Excellent comprehensive properties and a good strength-toughness balance;especially, superior strength that outperforms other heat-treatment-free aluminum alloys.
With high impurity tolerance, allowing for low-carbon, cost-efficient production.
High-pressure casting for GIGA-Casted structural components. Large-scale integrated aluminum alloy structural component of EVs, such as monocoque bodies, rear floor, front engine compartments, battery trays, etc.
LZHM-06(AIMg5Si2Mn) -- The Al-Mg series heat-treatment-free aluminum alloy offers superior strength and toughness compared to the Al-Si series. High-pressure casting of structural components with higher strength requirements. Aluminum alloy structural component, such as sub-frames, front cabin triangular beams, large battery packs, etc.
LZHM-07(AIMg6Si3Mn) -- The Al-Mg series heat-treatment-free aluminum alloy offers superior strength and toughness compared to the Al-Si series. AIMg6Si3Mn has a higher YS than AIMg5Si2Mn. High-pressure casting of structural components with higher strength requirements. Aluminum alloy structural components such as, sub-frames, battery packs, front cabin triangular beams, etc.
LZHM-08(AISi9Cu2Mg1Mn) -- It has a higher TS、YS、EL than A380 in different heat-treatment states High-pressure casting for GIGA-Casted structural components High-strength parts in EVs, humanoid robot, UAVs.
BRAZABLE CAST ALUMINUM ALLOY
HIGH CONDUCTIVE /THERMAL CONDUCTIVE DIE CASTING ALUMINUM ALLOY
Alloy Brands Technical achievements Advantages Processes Applications
LZ.GDR-X、LZTH-HTC Series China Invention Patent Applied Good balance between mechanical property/electric /thermal conductivity, cost-efficient. High-pressure Casting Structural components with high thermal & electrical conductivity for telecommunications, electronics and EVs.
LZ.GDD-X series Four items China/International Invention Patent Applied,Three Items Have Been Authorized(①201310749489.8、②201710125313.3、③202211363191.9)。The customer-co-developed LZ.GDD-4 alloy is now in mass production for EVs, utilizing Al to replace Cu. Good balance between electric/thermal conductivity & conductivity, zero precious metal added,cost-efficient. Gravity casting, low-pressure casting, differential-pressure casting, and centrifugal casting, as well as extrusion and other forming processes. EV motor’s High-speed rotors, conductive aluminum busbars, and electrical components.
RECYCLED LOW-CARBON A356 ALLOY
Ultra-High-Strength Cast Aluminum Alloy
Anodizable Aluminum Alloy New Material
ALUMINUM ALLOY SPECTROSCOPIC REFERENCE SAMPLES

In 2018, with the goal of enriching its portfolio of aluminum alloy reference materials and meeting the industry's and customers' needs for precise testing, Lizhong Alloy Group leveraged its 40 years of experience in producing cast and wrought aluminum alloys. Through strategic investments in talent, equipment, and capital, along with extensive research and repeated testing, the group obtained the designation as a "Designated Developer of Non-ferrous Metal Reference Materials" from the National Standardization Committee in 2022.

Composition Design

Based on relevant standards including “GB/T 1173-2013 Cast Aluminum Alloy”, “GB/T 8733-2016 Aluminum alloy ingots for casting”, ”GB/T 15114-2023 Aluminum Alloy Die Castings”, and “GB/T 3190-2020 Chemical Composition of Wrought Aluminum and Aluminum Alloys”.

Production Process

Manufactured in compliance with the “GB/T 15000 Directives for the Work of Reference Materials” and “YS/T 409-2012 Specification for Certified Reference Materials of Non-Ferrous Metal Product for Analysis”, utilizing advanced DC casting lines for single-step precision casting.

Composition Certification

Chemical analysis and value assignment conducted in accordance with” GB/T 20975 Methods for Chemical Analysis of Aluminum and Aluminum Alloys”, collaboratively certified by eight authorized and accredited laboratories.

Sample Index

319Z.2(AC2B) 333Z.1(AlSi9Cu3) 360Z.3(AlSi10Mg) 356Z.4(A356.2)
356Z.4(A356.2 F1) 383Y.3(ADC12) 383Y.3(ADC12 F1) 380Y.2(A380)
411Z.2(AlSiMo(0.13)Zr 413Z.4(AlSi12Fe) 413Y.2(AlSi12FeCu1) 354Z.1(Sb)(Zl111(Sb))
356Z.6 YZAlSi7MnMg 6061 319Z.3(Zl107)
411Z.(Mo0.03)AlSi9MnMo(0.03)Zr YZAlSiMnMg YZAlSi10 AlMg5Si2Mn
356Z.6(P 0.0015%) Al 99.85%
Microcrystalline silicon-aluminum new material (series)
Silicon-aluminum alloy materials and products
Aluminum-based composites and products
Microcrystalline aluminum alloy
3D printing aluminum alloy material

Advantages of alloy: controllable expansion coefficient (6-20ppm/K), low density, low segregation, high thermal conductivity, and high rigidity.

Application areas: structural components for aerospace vehicles, electronic packaging; bases, support frames, electrostatic chucks, substrates, platforms, crossbeams, etc. for semiconductor equipment, especially high-speed moving parts.

Advantages of alloy: It combines the characteristics of ceramics and aluminum alloy, featuring high thermal conductivity, low expansion, low density, and high fatigue strength, especially superior stiffness and wear resistance.

Application areas: main cabin frame support columns and engines for aircraft; antenna frames, waveguides, and trusses for satellites; drive shafts, brake discs, engine cylinder liners, bushings, and connecting rods for high-end automobiles.

Advantages of alloy: low segregation, fine and uniform grain size, high strength and toughness, high corrosion resistance, and excellent roughness and surface accuracy can be achieved.

Application areas: optical lenses for satellite optical systems, aerial cameras, mirrors, parabolic mirrors, infrared mirror substrates, precision optical components, etc.

Advantages of alloy: low oxygen content, high purity, high apparent density, and high fluidity.

Application field: Additive manufacturing (3D printing) of lightweight, high-strength, and complex-structured aluminum alloy components.