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AS Magnesium Die Casting Parts

AS Magnesium Die Casting Parts

AS Magnesium Die Casting Parts are structural components manufactured using AS series magnesium alloys (Mg-Al-Si), designed for high-performance lightweight engineering applications in EV, automotive, aerospace, and electronics systems.

Description

Product Introduction

 

AS Magnesium Die Casting Parts are structural components manufactured using AS series magnesium alloys (Mg-Al-Si), designed for high-performance lightweight engineering applications in EV, automotive, aerospace, and electronics systems.

 

Technical Data

 

Parameter Capability
Alloy System AS series magnesium alloys (AS31–AS61)
Material Options AS31 / AS41 / AS51 / AS61
Base Material High-purity magnesium (99.95%)
Custom Material Development Available (application-based alloy tuning)
Manufacturing Process High-pressure die casting (HPDC)
Max Part Size 1500 × 800 × 500 mm
Wall Thickness 1.2 – 2.5 mm (thin-wall casting capability)
Dimensional Tolerance ±0.1 mm / 100 mm
Surface Roughness Ra 1.6 μm (as-cast)
Tool Life 200,000+ shots
Annual Capacity 8 million+ parts

 

Surface Treatment Capabilities


Available surface processes
• Powder coating (industrial durability protection) 
• Micro-arc oxidation (MAO) for enhanced corrosion resistance 
• Laser marking for traceability and identification 
• Pre-treatment surface preparation integrated into production line
 

Engineering purpose of surface treatment
• Improve corrosion resistance in industrial environments 
• Enhance coating adhesion and durability 
• Enable functional and aesthetic surface requirements 
• Extend service life in automotive and outdoor applications

 

Key engineering advantages

 

 

Up to 45% weight reduction compared with aluminum, supporting EV efficiency and energy optimization 


High strength-to-weight ratio suitable for structural and semi-structural components 


Thin-wall casting capability down to 1.2–2.5 mm, enabling compact lightweight designs 


High vibration damping performance, reducing noise and improving system stability 


Supports part consolidation, reducing assembly cost and complexity 


Suitable for EV platforms, aerospace structures, and precision electronic housings

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Applications

 

Automotive
• Battery housing structural frames (thermal + weight optimization) 
• Seat structures (crash + weight reduction) 
• Steering system components


Aerospace
• UAV structural frames (vibration + stiffness control) 
• Avionics housings (EMI + lightweight integration) 
• Satellite structural components (mass efficiency critical design)

 
3C Electronics
• Laptop structural housings 
• Power tool enclosures 
• Camera bodies (rigidity + portability balance)

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Magnesium Die Casting Manufacturing Capabilities

 

Die casting capability
• High-Pressure Die Casting (HPDC) for AS series alloys 
• Vacuum-assisted die casting with porosity control (<1%) 
• Large structural component capability up to 1500 mm 
• Thin-wall casting capability: 1.2–2.5 mm 


Production scale
• 30+ die casting machines 
• Machine range: 280T–3500T 
• 8 × 3500T cold chamber die casting machines 
• 12 × 1600T–2500T magnesium die casting machines 
• Annual capacity: 8 million+ parts 


CNC machining & integration
• 5-axis CNC machining centers 
• Integrated casting + machining solutions 
• Precision post-processing for functional surfaces

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Quality Control System

 

Inspection & testing
· CT scanning for internal defect detection 
· X-ray inspection systems 
· CMM measurement accuracy: ±0.03 mm 
· Mechanical property testing 
· Salt spray testing up to 500+ hours


Documentation & compliance
· Full PPAP documentation support 
· ISO 9001 / IATF 16949 / ISO 14001 certified system 
· Batch-level traceability system

 

Frequently Asked Questions

 

Q: What is AS magnesium alloy used for in die casting?

A: AS magnesium alloy (Mg-Al-Si) is used for lightweight magnesium die casting parts in EV, automotive, aerospace, and electronics structural applications.

Q: Why is magnesium die casting used instead of aluminum?

A: Magnesium die casting provides up to 45% weight reduction vs aluminum, ideal for EV lightweight structural design and energy efficiency improvement.

Q: What causes porosity in magnesium die casting and how is it controlled?

A: Porosity is caused by gas entrapment and shrinkage, controlled by vacuum HPDC, mold design, and process stability.

Q: What tolerance can magnesium die casting achieve?

A: Standard tolerance is ±0.1 mm / 100 mm, tighter precision achieved via CNC machining after magnesium die casting.

Q: Is magnesium die casting suitable for EV and aerospace applications?

A: Yes, it is widely used in EV structural and aerospace lightweight components due to high strength-to-weight performance.

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