3C electronic Magnesium alloy rectangular bar
- Product Description
3C Electronic Magnesium Alloy Rectangular Bar
Lightweight Precision Material for Next-Generation Electronics
When you're designing tomorrow's consumer electronics, every gram and every millimeter counts. Our 3C electronic Magnesium alloy rectangular bar delivers the ideal balance of ultra-low weight, structural integrity, and thermal management. Manufactured by Shaanxi Hagrien Energy Technology through our closed-loop extrusion system, these bars achieve dimensional tolerances within ±0.1mm and surface roughness down to Ra 1.6μm. With density at approximately 1.8g/cm³—33% lighter than aluminum—and tensile strength ranging from 250-320 MPa, you get a material engineered specifically for CNC-machined smartphone mid-frames, laptop internal skeletons, and camera housings that must perform flawlessly under thermal stress and mechanical shock.

Why Choose Our Magnesium Alloy Rectangular Bars?
Enterprise-Grade Manufacturing Control
You need consistency across every batch. That's why we control the entire production chain—from alloy melting to extrusion and metallurgy verification. Our CNAS-accredited laboratory validates every lot before shipment, ensuring your machining plans proceed without costly surprises.
What this means for your production:
- Uniform microstructure reduces tool wear during high-speed CNC milling
- Predictable anodizing response for surface finishing
- Batch traceability through full COA/COC documentation
Engineered for Real-World 3C Applications
Your items confront requesting situations. Our rectangular bars are defined to handle them:
Thermal conductivity: 70-160 W/(m·K) depending on combination review (AZ31B, ZK60)
Damping capacity: Prevalent vibration retention ensures fragile PCBs
EMI protecting: Compelling electromagnetic obstructions security for 5G modules
Machinability: Optimized for complex geometries and thin-wall features
These aren't fair fabric specs. They're execution ensures for your conclusion products.
Dimensional Accuracy You Can Machine Confidently
We expel rectangular bars up to 300mm cross-section with strict dimensional control. This accuracy dispenses with the covered up costs of fabric inconstancy:
- Reduced scrap rates during CNC operations
- Consistent tool paths across production runs
- Faster transition from prototype to volume manufacturing
When you're machining ultra-thin laptop chassis or intricate camera internal cages, you can't afford geometric surprises. Our process discipline ensures you won't face them.

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 Applications Demand Performance?
High-End Laptop Internal Structures
Your ultrabook customers expect rigidity without weight. Our 3C electronic Magnesium alloy rectangular bar machines into skeletal frames that maintain torsional strength under CPU heat stress while keeping total device weight under 1kg. The material's high damping capacity also absorbs keyboard impact vibrations, protecting the motherboard during mobile use.
Smartphone Mid-Frames & 5G Devices
Advanced smartphones are warm and electromagnetic battlegrounds. These rectangular bars serve double parts: basic spine and warm bridge. They scatter processor warm whereas protecting delicate 5G RF modules from electromagnetic impedances. The result? Gadgets that keep up flag astuteness and comfortable surface temperatures amid crest performance.
Precision Optical & Camera Equipment
Professional imaging requests zero resilience for mechanical insecurity. Our bars machine into DSLR and cinema camera inner cages where vibration damping anticipates sensor shake amid high-speed screen operations. The material's moo warm development coefficient keeps focal point components superbly adjusted over temperature swings—critical for field unwavering quality.

Exhibition

FAQ
What is the product mainly used for?
The product is primarily used for electronics housings, structural frames, and thin-wall precision components in computers, communication devices, and consumer electronics. Buyers typically want to know whether the material meets their specific working conditions, machining requirements, and end-use application—without creating downstream processing risks. Our engineering team helps you map material properties to your exact use case during the quotation phase.
What key features should buyers evaluate when sourcing these bars?
Focus on four critical factors: alloy grade consistency (affects mechanical properties batch-to-batch), dimensional tolerance (impacts machining yield), surface quality (determines finishing success), and thin-wall machining compatibility. In export purchasing, these directly influence your processing scrap rate, field reliability, product consistency, and total qualification cost. We provide complete material certification and test reports with every shipment so you can validate these factors before machining begins.
Why do international buyers choose Hagrien for magnesium rectangular bars?
We combine alloy melting, extrusion, machining coordination, and quality control under one roof. This integration means you're not juggling multiple suppliers for material, verification, and technical support. You get 24-hour RFQ response, 1-3 day quotations, and weekly project updates aligned with your time zone. More importantly, we support your entire journey—from sample validation through stable volume production—with full traceability and engineering-to-spec customization. This reduces your supplier dependency risk and accelerates your commercialization timeline.
How does Hagrien ensure consistent quality across batches?
Our closed-loop fabricating framework controls each basic variable. We begin with in-house amalgam detailing, at that point expel beneath strict handle parameters observed in real-time. Each bunch experiences confirmation in our CNAS-accredited research facility some time recently shipment. You get full documentation—Certificate of Examination, Certificate of Conformance, and Security Information Sheets—with total group traceability. This verification-first approach implies your approaching review gets to be a convention, not a bottleneck.
Can you bolster custom measurements or amalgam grades?
Absolutely. We handle drawing-based generation and model advancement routinely. Our designing group works with you to co-design fabric properties and auxiliary determinations based on your application prerequisites. Custom ventures ordinarily require 4-8 weeks lead time, which incorporates model approval and scaling to generation parameters. We moreover offer FAT (Production line Acknowledgment Test) bolster to confirm execution some time recently volume conveyance begins.
What are your least arrange amounts and bundling options?
MOQs shift by specification—standard sizes regularly have lower minimums due to generation planning adaptability. We bundle bars with defensive wrapping to anticipate surface harm amid travel and can suit uncommon bundling necessities for touchy send out courses. Contact us with your particular needs, and we'll give custom fitted suggestions based on your arrange volume and goal.

Partner With Manufacturing Confidence
Ready to reduce your supply chain risk and improve your component quality with 3C electronic Magnesium alloy rectangular bar? Reach out to our team at cyrus@us-hagrien.com today for technical specifications and quotation support.
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