Magnesium alloys square bar
- Product Description
Magnesium Alloys Square Bar – Precision-Engineered Light Alloy Solutions
Shaanxi Hagrien Energy Technology Co., Ltd. offers precision-extruded Magnesium alloys square bars with diameters up to Ø300 mm, backed by our fully integrated manufacturing system. With 7+ years of continuous production experience since 2019, we control every step—from alloy melting to final machining—ensuring uniform microstructure, dimensional stability, and full batch traceability. Our CNAS-accredited laboratory validates each production run, while standard lead times of 2–4 weeks and expedited delivery options keep your projects on schedule. Whether you need standard sizes or custom specifications, our engineering team provides material selection guidance and drawing-based production support.

What Makes Our Magnesium Square Bars Different?
You're not fair buying fabric. You're joining forces with a producer who gets it your challenges.
Our square bars are built for real-world applications. We plan combination compositions based on your working conditions—temperature ranges, natural presentation, and mechanical necessities. This approach gives you unsurprising execution each time.
Here's what sets us apart:
Controlled Fabricating Process
We work a closed-loop framework. Combination definition, expulsion parameters, and quality checks happen beneath one roof. This disposes of supply chain irregularities that can wreck your generation schedule.
Large-Format Capability
Need greater measurements? Our expulsion capability comes to up to 300 mm breadth. Strict handle teach guarantees uniform grain structure all through the cross-section, decreasing your machining dangers and scrap rates.
Documentation You Can Trust
Every bunch comes with total traceability. Certificate of Investigation (COA), Certificate of Conformance (COC), and Security Information Sheets (SDS) are standard. Your obtainment and quality groups will appreciate the audit-ready documentation.

Technical Specifications
Our Magnesium alloys square bar are available in multiple configurations to match your project requirements:
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 |
Why Magnesium Square Bars Matter for Your Application?
Let's conversation almost what you truly require: lighter components without compromising strength.
Lightweighting with Confidence
Magnesium is 35% lighter than aluminum and 78% lighter than steel. For car, aviation, and mechanical technology applications, this interprets straightforwardly to fuel investment funds and progressed execution. Our square bars keep up tall particular quality, so you do not give up auxiliary integrity.
Excellent Machinability
Your CNC administrators will take note the contrast. Magnesium machines cleanly with speedier cutting speeds and longer device life compared to other metals. This implies lower generation costs and speedier turnaround times for your wrapped up parts.
Vibration Damping Properties
If your application includes affect or vibration, magnesium's common damping characteristics retain vitality superior than aluminum or steel. This makes our square bars perfect for auxiliary components in vehicles, apparatus, and accuracy equipment.
Environmentally Responsible
Magnesium is 100% recyclable without execution debasement. When you select our square bars, you're supporting maintainable fabricating hones whereas assembly your corporate natural commitments.
How We Ensure Quality in Every Bar?
Quality isn't reviewed in—it's built in from the start.
Material Formulation
We start by understanding your application prerequisites. Temperature presentation? Erosion environment? Load-bearing needs? Our metallurgy group chooses or creates combination compositions that coordinate these conditions precisely.
Extrusion Excellence
Our expulsion handle keeps up tight temperature and speed controls. This makes a uniform grain structure all through the bar's cross-section. You get reliable mechanical properties from edge to edge, beat to bottom.
Real-Time Testing
Our CNAS-accredited high-temperature high-pressure (HTHP) research facility tests tests from each generation clump. Pliable quality, hardness, microstructure analysis—we confirm it all some time recently your fabric ships.
Full Traceability
Each bar is stamped with clump codes that follow back to the unique soften composition and expulsion parameters. If you ever require to explore a fabric address, we can give total generation history inside 24 hours.

Custom Engineering Support
Off-the-shelf doesn't continuously fit. That's why we offer building collaboration.
Send us your drawings. Our group will audit dimensional necessities, resilience details, and surface wrap up needs. We'll give fabric proposals based on your application's push profiles and working environment.
Prototype to Production
Start with little amounts to approve your plan. Once you're fulfilled, we scale to full generation with indistinguishable fabric properties. Our prepare windows are repeatable and recorded, so you get the same execution in clump 1 and bunch 1,000.
OEM/ODM Capabilities
Need more than fair bars? We machine wrapped up components from our expulsions. This dispenses with your require to source fabric independently from fabricating, diminishing lead times and quality handoff dangers.
Lead Times and Delivery
We get it that holding up for fabric impacts your whole schedule.
Standard Items: 2–4 weeks from arrange confirmation
Custom Determinations: 4–8 weeks counting designing review
Expedited Benefit: Accessible for pressing projects
We keep up security stock of common sizes. This implies quicker conveyance when you require fabric rapidly. Our U.S. operational nearness arranges shipments and gives neighborhood back to North American clients.
Exhibition

Frequently Asked Questions
What's the difference between AZ31 and AZ80 alloys for square bars?
AZ31 offers better formability and is easier to machine, making it ideal for components requiring complex shapes. AZ80 provides higher strength (up to 380 MPa tensile) but requires more careful machining parameters. We'll help you choose based on your strength requirements and manufacturing capabilities.
Can you provide material for aerospace applications?
Yes. Our WE43 alloy meets aerospace performance requirements with excellent elevated-temperature strength and corrosion resistance. We provide full material certification and test reports required for aerospace supplier qualification.
How do you ensure dimensional accuracy on larger square bars?
Our extrusion dies are precision-manufactured and regularly maintained. We monitor dimensions during production using coordinate measuring machines (CMM). For critical tolerances tighter than ±0.2 mm, we offer post-extrusion machining to achieve your exact specifications.
What's your minimum order quantity?
For standard sizes, we can accommodate orders as small as 50 kg. Custom specifications typically require 200 kg minimum to justify tooling setup. Contact us to discuss your specific quantity needs—we're flexible for prototype projects.
Do you offer surface treatments?
Absolutely. We provide chemical conversion coatings, anodizing, and painting services. These treatments improve corrosion resistance for applications in humid or marine environments. We'll recommend the appropriate treatment based on your operating conditions.
How should we store magnesium square bars?
Keep them in a dry, well-ventilated area away from direct moisture. Our bars ship with protective wrapping. For long-term storage beyond 6 months, we recommend climate-controlled environments to prevent surface oxidation.
Can you help with material selection if we're new to magnesium?
That's what we're here for. Share your application details—component function, operating temperatures, stress levels, and environmental exposure. Our engineering team will recommend suitable alloys and provide design guidelines for working with magnesium. We've helped dozens of customers transition from aluminum and steel.

Contact Us
Ready to reduce weight and improve performance with Magnesium alloys square bar? Reach out to discuss your magnesium square bar requirements: cyrus@us-hagrien.com. Our team responds within 24 hours.
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