Magnesium alloy round bar
Commonly used in automotive aerospace electronics and industrial components where weight reduction matters
- Product Description
Magnesium Alloy Round Bar – Lightweight Structural Material for Precision Applications
When you're sourcing materials for weight-critical projects, you need a supplier who understands both the metallurgy and your application timeline. Shaanxi Hagrien Energy Technology Co., Ltd. delivers enterprise-grade Magnesium alloy round bar with full process control—from alloy melting through extrusion to precision machining. Our closed-loop manufacturing system produces rods up to Ø300 mm with uniform microstructure and dimensional stability. With 7+ years of continuous production since 2019, we maintain strict batch traceability, CNAS-accredited laboratory verification, and ISO 9001 compliance. Standard lead times run 2–4 weeks, with customized solutions delivered in 4–8 weeks. You get consistent quality, repeatable performance, and full documentation support—reducing your downstream risk and qualification costs.

What Makes Our Magnesium Round Bars Different?
You're not fair buying crude fabric. You're contributing in a supply chain that won't let you down.
Our item is created through controlled expulsion and rolling forms. This guarantees you get bars with uniform grain structure and negligible inner porosity. We control the alloying elements—aluminum, zinc, manganese, and zirconium—to convey the correct adjust of quality, machinability, and execution your venture requires.
Why Weight Things in Your Design
Magnesium is the lightest basic metal accessible. With a thickness of fair 1.74–1.83 g/cm³, it's 33% lighter than aluminum and 75% lighter than steel. This isn't fair a number on a datasheet. It's a plan advantage that deciphers into fuel investment funds, expanded payload capacity, and progressed vitality productivity over car, aviation, and gadgets applications.
When you swap conventional materials for magnesium, you fathom the trade-off between auxiliary astuteness and weight diminishment. Your components gotten to be simpler to handle, speedier to amass, and cheaper to transport.
Exhibition

Technical Specifications You Can Count On
We manufacture to internationally recognized standards, so your engineering team can specify with confidence.
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 Magnesium Alloy Bars Make the Biggest Impact
Aerospace & Defense
Your components face extreme conditions. Temperature swings. Vibration. Structural loads. Our bars are machined into helicopter transmission housings, satellite support struts, and aircraft seat frames. The high damping capacity absorbs vibrational energy, extending fatigue life. The low weight reduces launch mass and improves fuel economy per passenger mile.
Automotive Engineering
In high-speed rotating parts, steering columns, and luxury seat frames, inertia matters. Lower mass means faster response times and better vehicle dynamics. Magnesium's excellent energy absorption also improves crash safety without adding bulk.
Precision Electronics & Robotics
Drone frames, camera housings, and robotic arms demand rigidity without weight penalty. Our Magnesium alloy round bars provide structural support and heat dissipation while shielding sensitive circuitry from electromagnetic interference. This is critical in complex EMI environments where signal integrity can't be compromised.
Industrial Components
From conveyor system parts to tooling fixtures, magnesium offers superior machinability. You can run higher cutting speeds and achieve tighter tolerances with less tool wear. This reduces your per-part cost and speeds up production cycles.
Why Hagrien Is the Partner You Need?
Integrated Manufacturing = Fewer Headaches
We do not outsource basic steps. Our office handles combination definition, expulsion, metallurgy control, and exactness machining beneath one roof. This implies less handoffs, way better quality control, and quicker investigating when you require plan adjustments.
Engineered for Your Application
We do not offer non specific fabric. We coordinate amalgam frameworks and handle parameters to your genuine working conditions—temperature, mechanical loads, machining course, and last utilize case. This decreases trial-and-error and gets you to volume generation faster.
Large-Diameter Capability Without Quality Compromise
Producing bars up to Ø300 mm is one thing. Doing it with uniform microstructure and dimensional steadiness is another. Our handle teach guarantees you get reliable execution over each bunch, diminishing your downstream scrap rates.
Verification To begin with, Always
Our CNAS-accredited HTHP research facility conducts thorough testing some time recently shipment. You get full documentation bundles with each arrange. This makes provider capability reviews smoother and quicker.
Reliable Lead Times You Can Plan Around
- Standard products: 2–4 weeks
- Customized solutions: 4–8 weeks
- Expedited delivery: Available when your schedule demands it
We maintain safety stock for standard sizes and provide weekly project updates aligned with your time zone.

Frequently Asked Questions
What is the product mainly used for?
Round bars are used for lightweight structural parts and precision machined components. Buyers want to know if the material can meet target working conditions, follow the planned machining route, and satisfy final application requirements without creating unnecessary downstream risk. Our engineering team helps you select the right grade and validate performance before you commit to volume orders.
What key features should buyers evaluate when sourcing the product?
Focus on alloy grade consistency, dimensional tolerance, surface quality, and machining performance. These factors directly affect processing yield, field reliability, product consistency, and the total cost of qualification. In export purchasing, poor material quality can delay your launch timeline and inflate scrap costs. We control these variables at the source, so you don't have to gamble on supplier reliability.

Why do international buyers choose Hagrien for the product?
We combine alloy melting, extrusion, machining coordination, and quality control to support both standard supply and custom lightweight component development. This helps you reduce dependence on a single supplier, improve communication speed, and move from sample validation to stable volume supply more efficiently. Our U.S. entity provides local coordination and fast RFQ responses within 24 hours, with quotations delivered in 1–3 business days.

Ready to Reduce Weight and Risk?
Let's talk about your project with Magnesium alloy round bar. Contact us at cyrus@us-hagrien.com to request specifications, samples, or a custom quote.
VIEW MOREMagnesium alloy cast ingot
VIEW MOREControlled-Dissolution Magnesium Alloy Hollow Tube
VIEW MOREMagnesium alloy tube profile
VIEW MORE3C electronic Magnesium alloy rectangular bar
VIEW MOREControlled-Dissolution Magnesium Alloy Square Bar
VIEW MOREMagnesium alloy tube billet
VIEW MOREAutomotive Magnesium alloy square bar
VIEW MOREHigh-Temperature Dissolvable Magnesium Alloy raw material
_1776908283214.jpg)



