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China Aluminum CNC Machining Factory: Trusted Suppliers for Precision Parts and Efficient Production Solutions
We maintain a complete inventory of aerospace-grade and commercial-grade aluminum alloy materials to ensure the best performance and cost suitability:
Common Aluminum Alloy Material Library
6061-T6
Most Versatile Structural Alloy
Offering excellent machinability, weldability, and corrosion resistance. Suitable for most mechanical components, tooling fixtures, and enclosures.
Machinability
Weldability
Corrosion Resistance
7075-T6
Ultra-High-Strength Alloy
Strength comparable to many steels. An ideal choice for aerospace, high-performance sporting goods, and critical load-bearing structures.
Aerospace
High Strength
Load-Bearing
5052-H32
Superior Corrosion Resistance
Excellent corrosion resistance (especially in marine environments) and formability. Commonly used for ship and vehicle trim, and electronic enclosures.
Marine Grade
Formability
Electronics
2024-T3/T4
Excellent Fatigue Strength
Provides good fatigue strength and strength-to-weight ratio. Widely used in aircraft structural components, truck wheels, and other high-strength applications.
Fatigue Strength
Aircraft
Lightweight
MIC-6 / Cast Aluminum Tooling Plate
Precision-Ground Tooling Plate
A precision-ground, pre-hardened plate with stress-free internal structure, ideal for precision substrates, fixtures, and molds.
Precision Ground
Pre-Hardened
Stress-Free
Fixtures & Molds
Frequently Asked Questions
Q
What is the difference between 6061-T6 and 7075-T6 aluminum alloys?
6061-T6 is a general-purpose structural alloy known for its excellent machinability, weldability, and corrosion resistance, making it suitable for a wide range of applications. 7075-T6, on the other hand, offers significantly higher strength — comparable to many steels — but is less weldable. It is preferred in aerospace and high-performance applications where maximum strength-to-weight ratio is critical.
Q
Which aluminum alloy is best suited for marine or outdoor environments?
5052-H32 is the top choice for marine and outdoor environments. It provides exceptional corrosion resistance, especially in saltwater conditions, along with good formability. It is widely used in shipbuilding, vehicle trim, and outdoor electronic enclosures.
Q
When should I choose 2024-T3/T4 over other aluminum alloys?
2024-T3/T4 is the preferred choice when fatigue resistance and a high strength-to-weight ratio are the primary requirements. It is commonly specified for aircraft structural components, truck wheels, and other applications subject to repeated stress cycles. Note that it has lower corrosion resistance than 6061 and typically requires protective coatings in exposed environments.
Q
What makes MIC-6 Cast Aluminum Tooling Plate different from standard aluminum plate?
MIC-6 is a specially cast and precision-ground aluminum plate with a stress-free internal structure, offering exceptional flatness and dimensional stability. Unlike standard rolled aluminum plate, MIC-6 does not warp during machining, making it ideal for precision fixtures, substrates, and molds where tight tolerances are essential.
Q
Do you stock both aerospace-grade and commercial-grade aluminum alloys?
Yes. We maintain a complete inventory of both aerospace-grade and commercial-grade aluminum alloy materials. This allows us to recommend the most suitable material based on your specific performance requirements and budget, ensuring the best balance of quality and cost efficiency for every project.
Q
Can you help me select the right aluminum alloy for my project?
Absolutely. Our engineering team is experienced in matching aluminum alloy grades to specific application requirements, including mechanical performance, environmental conditions, machinability, and cost targets. Whether you need a standard alloy like 6061-T6 or a specialized material like MIC-6 tooling plate, we can provide professional guidance to help you make the best material selection.
Finishes and Post-Processing Options
The zinc alloy substrate is highly suitable for various surface treatments to enhance decoration, protection, or functionality:
Electroplating: Such as chrome, nickel, gold, or silver plating, providing a highly decorative appearance, excellent wear and corrosion resistance. This is the most common choice.
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Passivation or Chromate Conversion Coating:
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Powder Coating:
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Painting:
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Physical Vapor Deposition (PVD):
Design and Machining Considerations
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Process Selection:
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Design Considerations:
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Material Selection:
Zamak 3 and 5 are suitable for the vast majority of general-purpose parts requiring good appearance and strength; ZA-8 is better for wear and bearing applications; for making rapid tooling, choose specialized alloys like Kirksite.
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