Aerospace Magnesium alloys hex bar
- Product Description
Aerospace Magnesium Alloys Hex Bar
Premium Lightweight Solution for Aviation & Space Engineering
When you're designing for the skies, every gram counts. Aerospace Magnesium alloys hex bar from Shaanxi Hagrien Energy Technology delivers an ultra-low density of 1.74–1.83 g/cm³—33% lighter than aluminum and 75% lighter than steel. Our integrated manufacturing system controls the entire process from alloy melting through precision extrusion to deliver hex bars up to Ø300 mm with uniform microstructure and dimensional stability. With 7+ years of continuous production experience, strict process discipline, and CNAS-accredited HTHP laboratory verification, you get consistent quality backed by full traceability (COA/COC/SDS) and rapid delivery: standard products ship in 2–4 weeks.

What Makes Our Hex Bar Different?
Engineered for High-Stakes Applications
You require materials that won't let you down amid flight. Our hex bars are made from progressed combination frameworks counting AZ31B, ZK60A, and WE43, assembly thorough worldwide guidelines such as AMS 4377, AMS 4350, and ASTM B107.
The hexagonal profile isn't fair almost shape. It's around effectiveness. When you machine clasp, water powered fittings, or complex components, you decrease fabric squander altogether compared to circular bar stock. This straightforwardly makes strides your buy-to-fly ratio—a basic metric in aviation manufacturing.
Real Fabric Execution You Can Verify
We plan combination frameworks based on your real working conditions. That implies considering temperature ranges, natural presentation, and mechanical loads particular to flying and space situations.
Key physical properties include:
- High specific strength – maximum load capacity with minimum weight
- Exceptional damping capacity – absorbs vibration better than aluminum alloys
- Superior EMI shielding – protects sensitive avionics from electromagnetic interference
- Excellent thermal conductivity – manages heat efficiently in compact assemblies
- High dimensional stability – maintains tolerances through temperature cycling
Our closed-loop manufacturing system ensures these properties remain consistent across every batch. You get repeatable performance, not surprises during qualification testing.

Technical Specifications
Item | Unit | AZ31B | AZ61A | AZ91D |
Density | g/cm³ | 1.77 | 1.80 | 1.81 |
Melting Point | ℃ | 566- 632 | 620- 630 | 470- 595 |
Tensile Strength | MPa | 255- 290 | 290- 315 | 230- 250 |
Yield Strength | MPa | 150- 200 | 170- 220 | 150- 170 |
Elongation | % | 12-21 | 10-16 | 3-5 |
Elastic Modulus | GPa | 45 | 45 | 45 |
Poisson’s Ratio | — | 0.32 | 0.31 | 0.32 |
Thermal Expansion Coefficient | 10⁻⁶ /℃ | 26 | 26 | 26 |
Thermal Conductivity | W/(m·K) | 70 | 65 | 50 |
Specific Heat Capacity | J/(kg·K) | 1000-1050 | 1050 | 1050 |
Electrical Resistivity | μΩ·cm | 92- 125 | 125 | 170 |
Brinell Hardness | HB | 56-73 | 60-70 | 63-90 |
Shear Modulus | GPa | 17 | 17 | 17 |
Fatigue Strength | MPa | 80- 110 | 90- 120 | 70- 100 |
Where Your Aerospace Magnesium Alloys Hex Bar Works Best?
Precision Fasteners and Manifolds
The hexagonal geometry gives you a natural advantage. When you manufacture lightweight nuts, bolts, and hydraulic valve bodies, the hex profile allows high-torque applications during assembly without slipping. You save weight while maintaining structural integrity in critical joints.
Avionics Enclosures and Structural Pillars
Flight control systems demand materials that do double duty. Our hex bars machine into structural supports that provide both mechanical strength and electromagnetic shielding. You protect sensitive electronics while keeping total system weight down.
Satellite and Spacecraft Components
In vacuum and microgravity environments, every gram you eliminate increases payload capacity or reduces launch costs. Machine our Aerospace Magnesium alloys hex bar into specialized struts, connectors, and frame elements that withstand high-G launch forces without adding unnecessary mass.
Why Engineering Teams Choose Hagrien?
Closed-Loop Manufacturing Control
You don't want to manage multiple suppliers for one material. We control the complete process:
- Alloy formulation – tailored to your application requirements
- Extrusion – strict dimensional control and surface quality
- Process optimization – repeatable production windows
- Quality verification – CNAS-accredited testing before shipment
This integration reduces your qualification risk and accelerates your time to production.
Engineering Support from Prototype to Volume
Need a custom size or modified alloy composition? Our engineering team works directly with you from initial concept through FAT and volume supply. You get:
- Drawing-based production
- Prototype development with scaling pathways
- Material selection guidance based on your operating environment
- Weekly project updates aligned with your schedule
We help you avoid costly trial-and-error cycles.
Predictable Supply with Global Responsiveness
- RFQ response within 24 hours
- Quotation within 1–3 business days
- Safety stock for standard sizes
- U.S. entity for coordination and support
You get reliable delivery without communication delays.
Exhibition

Processing and Safety Considerations
Machining Best Practices
Solid hex bars are difficult to ignite, but fine chips and dust present fire risk. We recommend:
- High-flashpoint mineral oil coolants
- Class D fire suppression systems in machining areas
- Proper chip collection and disposal protocols
Corrosion Protection Options
For long-term durability, consider these surface treatments:
- Chromate conversion coatings (traditional)
- Tagnite or Keronite plasma electrolytic oxidation (PEO)
- High-performance epoxy primers to prevent galvanic corrosion
Weldability
Most aerospace magnesium alloys like AZ31B are weldable using TIG or MIG processes. Use appropriate filler rods (e.g., AZ61A) with strict inert gas shielding to maintain weld integrity.
Quality Assurance and Compliance
You can't compromise on traceability in aerospace applications. That's why every shipment includes:
- Full documentation packages – COA, COC, and SDS
- Batch traceability – linking material to specific production runs
- Inspection records – dimensional and metallurgical verification
- ISO 9001 / ISO 14001 / ISO 45001 – certified management systems
- CNAS-accredited laboratory – independent verification capability
- API recognition – demonstrating manufacturing capability
This documentation supports your supplier qualification and audit requirements without additional requests.

Frequently Asked Questions
What key highlights ought to you assess when sourcing aviation hex bar?
Focus on amalgam review consistency, dimensional resistance, surface quality, and machining execution. These components specifically influence your handling abdicate, field unwavering quality, and add up to capability fetched. Moreover confirm that thickness and particular quality meet your weight decrease targets.
How does damping capacity compare to 6061 Aluminum?
The item offers essentially higher damping capacity. This makes it predominant for ensuring touchy aviation sensors and flying from high-frequency vibrations common in flight situations. You get way better vibration separation without including mass.
What is the ordinary lead time for custom hex sizes?
Standard sizes from our security stock dispatch in 2–4 weeks. Custom aerospace-grade expulsions ordinarily require 4–8 weeks for generation, testing, and documentation. Assisted conveyance is accessible for critical programs.
Why do universal buyers select Hagrien for aviation hex bar?
We combine combination dissolving, expulsion, machining coordination, and quality control in one coordinates framework. This decreases your reliance on different providers, moves forward communication speed, and makes a difference you move from test approval to steady volume supply more effectively. You moreover advantage from our U.S. substance for nearby support.
Can you bolster FAT and custom confirmation plans?
Yes. Our designing group works with you to create confirmation conventions that coordinate your inside capability necessities. We give test examples, arrange third-party testing when required, and archive comes about to back your certification handle.
Ready to Reduce Weight Without Compromising Strength?
Let's discuss how our Aerospace Magnesium alloys hex bar can improve your buy-to-fly ratio and accelerate your qualification timeline.
Contact us: cyrus@us-hagrien.com
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