Accelerate Your Product Development and Production with On-Demand Custom Magnesium Alloy CNC Machining Services
Are you looking for custom magnesium CNC machined parts or prototype solutions? You’ve come to the right place. Whether you need lightweight structural components, aerospace brackets, automotive housings, electronics enclosures, medical device parts, or industrial machinery components, we provide precision magnesium machining solutions that meet your exact specifications.
At VMT, we have extensive experience working with OEMs and aftermarket manufacturers, delivering high-quality magnesium prototypes and production parts. Our capabilities include advanced multi-axis CNC machining, precision turning, high-quality finishing, and post-processing treatments to ensure durability and corrosion resistance.
We offer a wide range of magnesium alloys, including AZ31, AZ61, AZ91, ZK60, and WE43, allowing you to achieve the ideal combination of lightweight design, high strength, and excellent machinability. From rapid prototyping to full-scale production, our magnesium CNC machining services provide the reliable, high-performance components your projects demand, helping you accelerate development cycles, reduce time to market, and deliver superior parts to your customers.

Custom Prototypes and High-Volume Magnesium Alloy CNC Machining Parts Manufacturing
24/7 CNC Machining Facility with Samples Ready in 7-10 Days
Our team specializes in delivering high-precision magnesium CNC machined parts for both prototypes and large-scale production, solving the most common challenges faced by engineers and product developers.

With decades of combined expertise, our magnesium CNC machining team transforms prototypes into production-ready components, solving issues of safety, precision, material selection, and surface durability, while delivering lightweight, high-strength parts on time and on budget.
Custom Magnesium Alloy CNC Machined Parts Manufacturing Process
Our magnesium CNC machining process combines advanced multi-axis milling, precision turning, and expert finishing to deliver lightweight, high-strength parts. We ensure tight tolerances, corrosion-resistant surfaces, rapid prototyping, and scalable production, solving challenges in material safety, deformation, and quality consistency for aerospace, automotive, electronics, and industrial applications.

CNC Turn-Mill Combination Machining


Injection Molding

Laser Cutting

3D Printing

Extrusion Machining

Magnesium Alloy CNC Machined Parts Material
We machine a wide range of magnesium alloys, including AZ31, AZ61, AZ91, ZK60, and WE43, providing lightweight, high-strength, and corrosion-resistant parts. Our material expertise ensures optimal performance, precise tolerances, and reliable prototypes or production components for aerospace, automotive, electronics, and industrial applications.
Advantages: Excellent mechanical performance, high precision, and high repeatability.
Disadvantages: More limited geometric capabilities compared to 3D printing.
Applications: Aerospace Lightweight Components, Automotive Structural Parts, Consumer Electronics Housings, Medical Device Components, Industrial Equipment and Robotics and Custom Parts.
Available Magnesium Alloy at VMT: Magnesium Alloy AZ91D, AZ61B, AZ31B, ZK60, WE43 etc.
Price:
Delivery Time: < 10 days
Wall Thickness: 0.5 mm
Tolerance: ±0.125 mm (±0.005 inches)
Maximum Part Size: 200 x 80 x 100 cm
Magnesium Alloy Properties
| Magnesium Alloy | Tensile Strength (MPa) | Yield Strength (MPa) |
Fatigue Strength (MPa) |
Elongation at Break (%) | Hardness (Rockwell R) | Density (g/cm³) |
| AZ91D | ~230 MPa | ~160 MPa |
~90 MPa |
~3% | ~63 HB | 1.81 g/cm³ |
| AZ61B |
~310 MPa |
~200 MPa |
~95 MPa |
~8% |
~60 HB |
1.8 g/cm³ |
| AZ31B |
~260 MPa |
~160 MPa |
~90 MPa |
~10–12% |
~49 HB |
1.77 g/cm³ |
| ZK60 |
~365 MPa |
~305 MPa |
~120 MPa |
~11% |
~70 HB |
1.83 g/cm³ |
| WE43 |
~330 MPa |
~230 MPa |
~110 MPa |
~6–8% |
~75 HB |
1.84 g/cm³ |

Magnesium Alloy AZ91D
AZ91D also called a magnesium-aluminum alloy, AZ91D offers lightweight strength, good corrosion resistance, and excellent machinability. It is commonly used in automotive housings, die-cast structural parts, and lightweight industrial components, providing a balance of durability and low weight.

Magnesium Alloy AZ61B
AZ61B, a magnesium-aluminum alloy, delivers higher strength and good toughness compared to AZ91D. It is ideal for load-bearing automotive components, mechanical parts, and moderate-strength structural applications, where enhanced durability and lightweight design are needed.

Magnesium Alloy AZ31B
AZ31B, a magnesium-aluminum-zinc alloy, is known for moderate strength, high ductility, and excellent machinability. Typical applications include general-purpose CNC machined parts, aerospace panels, automotive components, and lightweight industrial structures, suitable for parts requiring flexibility and easy machining.

Magnesium Alloy ZK60
ZK60 is a magnesium-zinc alloy recognized for very high strength, fatigue resistance, and lightweight properties. It is commonly applied in aerospace structural parts, high-performance automotive components, and precision engineering applications demanding superior strength-to-weight ratios.

Magnesium Alloy WE43
WE43 is a rare-earth magnesium alloy with high-temperature strength, corrosion resistance, and excellent durability. It is widely used in aerospace, military, defense, and high-performance engineering components, particularly where lightweight, high-performance materials are critical.
Custom Precision Magnesium Alloy CNC Machining Parts Gallery
Showcasing our precision magnesium alloy CNC machined parts, we deliver lightweight, high-strength, and corrosion-resistant components with tight tolerances and superior surface finishes. Ideal for aerospace, automotive, electronics, and industrial applications, our parts demonstrate expert machining, rapid prototyping, and scalable production for demanding engineering projects.








Magnesium Alloy: National Standards and Equivalent Grades in Various Countries
We maintain a stock of over 40 types of certified materials, enabling us to quickly deliver precision prototypes and small-batch parts within 24 hours. Some of these materials are already IMDS certified.
| Magnesium Alloy |
Common Name / Standard Name |
US / ASTM Equivalent |
ISO/EN / International Equivalent |
Other Equivalent Codes |
| AZ91D |
Magnesium‑Aluminum Alloy AZ91D |
ASTM B80‑type designation |
ISO‑MB21120 / MgAl9Zn1(A) |
Often referenced as AZ91 in global catalogs |
| AZ61B |
Magnesium‑Aluminum Alloy AZ61B |
ASTM B91‑type designation |
Recognized under wrought alloy listings (ISO/IMS) |
Commonly found as AZ61M in supply specs |
| AZ31B |
Magnesium‑Aluminum‑Zinc Alloy AZ31B |
ASTM B90 / B107 listings |
ISO designation for wrought alloy (ISO‑MgAl3Zn1) |
Often seen in ISO/IMS material lists |
| ZK60 |
Magnesium‑Zinc‑Zirconium Alloy ZK60 |
Covered by ASTM B107 classifications |
Equivalent wrought alloy under ISO/IMS systems |
Also referenced as ZK60A in certain specs |
| WE43 |
Rare‑Earth Magnesium Alloy WE43 |
Listed in ASTM/MIL spec categories for rare‑earth Mg |
Recognized in international catalogs (ISO/IMS variant) |
Often grouped with WE series alloys (WE54, WE94) |

Magnesium Alloy CNC Machined Parts Quality Inspection: Inspection Equipment
We use CMM, optical systems, and precision calipers to ensure tight tolerances, accurate dimensions, and flawless surfaces, delivering reliable, high-strength magnesium CNC parts for demanding applications.

3D Detection

Roundness Meter

Ultrasonic Cleaning

Blu-Ray 3D Scanning

Electronic Height Gauge

Air Tightness Test

2D Detection

Hardness Testing

Surface Finish Inspection

IPQC Inspection

Microscope Surface Inspection

Salt Spray Tester

Magnesium Alloy CNC Machined Parts Surface Finishing Options
We provide anodizing, chemical conversion, powder coating, polishing, and bead blasting, ensuring corrosion resistance, durability, and premium surface quality for precision magnesium CNC machined parts.

As Machined

Bead Blasting / Sandblasting

Powder Coating

Painting

Alodine

Electrophoresis

Teflon Coating

Anodizing

Passivation

Polishing

Electroless Nickel

Flexible Turnaround Time
We customize production schedules for various projects to ensure we meet your magnesium alloy CNC machining needs.
Project Type
Urgent high-Precision Samples
CNC Prototype Manufacturing
Molding Requirements
High-Volume Production
Turnaround Time
24-Hour Delivery
Simple Parts: 1–3 days,Complex Parts: 3–7 days
Mold Production: Completed in 5 days, with samples delivered within 7 days.
Lead Times: Depend on part complexity, with typical delivery within 2–4 weeks, always meeting customer deadlines.
For projects with urgent deadlines, please contact us immediately for expedited processing.
Advantages and Disadvantages of Magnesium Alloy CNC Machining
Magnesium Alloy CNC machining offers a balanced combination of performance, precision, and cost efficiency, but it also has certain limitations. Below is a clear overview of the advantages and disadvantages of Magnesium Alloy CNC machining:
Advantages of Magnesium Alloy CNC Machining
Disadvantages of Magnesium Alloy CNC Machining

Applications of CNC Machined Magnesium Alloy Parts
Magnesium alloy CNC machined parts are widely used in various industries due to their unique properties:
Magnesium alloys are ideal for industries requiring high strength-to-weight ratio, corrosion protection, and precision CNC machining, making them suitable for both prototyping and large-scale production.
FAQs About Custom Magnesium Alloy CNC Machining Parts
Considering magnesium's flammability, is it safe to machine magnesium?
Yes, magnesium can be safely machined with proper precautions. Fine chips and dust are flammable, so we usecontrolled environments, proper ventilation, and spark-free toolingto minimize risk. Experienced operators and strict safety protocols ensure safe CNC machining.
How does magnesium's machinability differ from aluminum in CNC machining?
Magnesium is generallyeasier to machine than aluminumdue to its lower density and softer nature. It producesshort, chip-friendly swarf, requires less cutting force, and allows forfaster spindle speeds, though care must be taken due to its flammability.
What special storage considerations are there for magnesium alloy parts?
Magnesium parts should be storedin dry, low-humidity environments, away from corrosive agents and direct moisture. Surface treatments such asanodizing or conversion coatingfurther protect parts and extend shelf life.
Can magnesium be alloyed with other metals for CNC machining?
Yes, magnesium is commonly alloyed withaluminum, zinc, zirconium, and rare-earth elementsto improve strength, corrosion resistance, and machinability. Popular alloys include AZ91D, ZK60, and WE43.
Is it possible to weld magnesium alloys?
Welding magnesium ischallengingdue to its flammability and oxide layer, butspecialized techniquessuch as TIG or MIG with inert gas shielding can be used for some alloys. CNC machined components are more commonlyjoined mechanically or with adhesives.
How does the machining cost of magnesium alloys compare to other materials?
Magnesium alloys are generallymore expensive than aluminumdue to material cost and safety handling requirements but arecheaper than high-end titanium or specialty alloys. Lower machining forces and faster cycles can offset part of the cost.
How does magnesium differ from other materials used in CNC machining?
Magnesium islighter than aluminum and steel, hasexcellent strength-to-weight ratio,good thermal conductivity, andhigh machinability. Its main challenges arecorrosion susceptibility, flammability, and limited high-temperature use.
Can magnesium be heat-treated after machining?
Yes, some magnesium alloys (e.g., AZ91D, ZK60) can undergosolution treatment and agingto improve strength. However, heat treatment must followalloy-specific proceduresto avoid distortion or reduced corrosion resistance.
Can magnesium parts be combined with other materials?
Yes. Hybrid assemblies often combine magnesium with aluminum, steel, or composites for optimized strength, weight, and performance.
How long does it take to manufacture magnesium CNC parts?
Rapid prototypes can be delivered in3–5 days, while production batches vary depending on complexity, quantity, and finishing requirements.
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2024-08-02
The manufacturer is strongly recommended. In the past few years of cooperation we have ordered several machined products from aluminum and stainless steel. These products are manufactured in compliance with tolerance requirements and require product finish. Now I have ordered another one. The service is excellent and any questions can be answered and resolved in time.
2021-05-13
The dimensions are all customized according to my drawings no tolerance issues and the parts are delivered on time. I am very satisfied with it.
2021-04-06
I pay much attention to the surface treatment aspect of this product. I was a little worried about the cooperation at the beginning. I am very satisfied with the product now and hope to cooperate for a long time.
2022-09-22
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