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Die Preparation
A reusable metal die is manufactured with the required cavity, gates, and risers. Its mass helps absorb and dissipate heat during casting.
Custom Gravity Die Casting Services
Turn your metal part designs into repeatable production castings with custom gravity die casting services. We support die development, gravity casting, CNC machining, and surface finishing for aluminum, copper-alloy and other components.
- Consistent Part Quality
- Casting and Finishing Support
- ISO 9001 and IATF 16949 Certified
Gravity Casting Capabilities
We provide custom gravity die casting for consistent, high-quality metal parts.
Our engineers review your design and casting requirements before tooling. Each production plan is tailored to your part geometry and quality standards.
Reusable Metal Dies
Controlled Metal Flow
Integrated Post-Processing
| Capability | Description |
|---|---|
| Materials | Aluminum alloys, copper alloys, magnesium alloys and zinc alloys |
| Minimum Wall Thickness | 5 mm |
| Typical As-Cast Tolerance | From ±0.38 mm for dimensions up to 25 mm |
| Larger Dimensions | Add about ±0.05 mm per additional 25 mm |
| Draft Angle | 2–3° |
| Typical Die Life | About 10,000–80,000+ casting cycles |
| Secondary Operations | CNC machining and surface finishing |
| Lead Time | 4–7 weeks |
Aluminium
Aluminum alloys are widely used in gravity die casting for their good castability, strength-to-weight ratio, and corrosion resistance.
| Color: | |
| Subtypes | Al-Si, Al-Si-Mg, Al-Si-Cu, Al-Cu, Al-Mg |
| Common Grades | ZL102, ZL104, ZL105, ZL108, ZL111, ZL205, ZL303, A356.0, A357.0, A413.0, AlSi7Mg, AlSi9Mg |
Copper Alloys
Copper alloys provide excellent thermal and electrical conductivity. They also perform well in applications involving friction or corrosive environments. Gravity casting can produce durable copper-alloy parts for electrical and fluid-control systems.
| Color: |
Zinc Alloys
Zinc alloys have good fluidity and can reproduce small design features. They also provide stable dimensions and a smooth as-cast surface. These properties make zinc suitable for compact hardware and detailed functional components.
| Color: |
Magnesium Alloys
Magnesium offers a high strength-to-weight ratio while keeping the finished part lightweight. It can also be machined efficiently after casting. Magnesium gravity castings are well suited to weight-sensitive structural parts and equipment housings.
| Color: |
Gravity Die Casting Process Steps
Our Gravity Die Casting Facility
Our gravity die casting production brings die preparation, controlled pouring, post-processing, and inspection into a coordinated workflow. Each project is planned around the part geometry, alloy requirements, production quantity, and quality standards to support consistent results from initial production through repeat orders.
- Coordinated casting and post-processing
- Process control based on project requirements
- Inspection support throughout production
Typical Gravity Die Casting Parts
Explore examples of gravity die cast parts manufactured for different industrial applications.
Secondary Operations for Gravity Die Casting
Die-cast components, especially zinc and aluminum parts, naturally have smooth surface. To improve aesthetics, durability, or corrosion resistance, explore the surface finishes Yongshuo offers. For special request, feel free to contact us.
As Cast
The part is cleaned and trimmed while retaining the surface produced by the coated metal die. This is suitable for internal or non-cosmetic components when no additional coating is required.
Anodizing
Anodizing improves the corrosion and wear resistance of compatible aluminum castings. It can also provide decorative color options and a metallic appearance.
Sand Blasting
Sand blasting removes surface residue and creates a uniform matte texture. It can also prepare cast parts for painting or powder coating.
Painting
Painting provides flexible color and appearance options. It also adds a protective layer against moisture and environmental wear.
Powder Coating
Powder coating adds a durable and uniform colored layer. It improves resistance to corrosion, scratching, and outdoor exposure.
Polishing
Polishing smooths the cast surface and produces a brighter appearance. The final result depends on the alloy and the initial surface condition.
CNC Machining
CNC machining improves critical features that require tighter tolerances than gravity casting alone can provide. It is commonly used for sealing surfaces, precision bores, threads, and mounting features.
Applications of Gravity Die Casting
Gravity die casting produces strong, repeatable metal components for demanding applications across a range of industries.
- Robotics: Housings, joints, brackets, and structural components.
- Automotive: Engine, transmission, braking, and suspension components.
- New Energy: Motor housings, inverter enclosures, and power-system components.
- Electronics: Enclosures, heat sinks, and mounting components.
Gravity Die Casting vs Other Casting Processes
Gravity Die Casting
- ✓AdvantageBetter dimensional consistency and smoother surfaces.
- ✓AdvantageReusable dies support faster repeat production.
- −DisadvantageHigher initial tooling cost.
- −DisadvantageLess suitable for very large or highly complex parts.
Sand Casting
- ✓AdvantageLower tooling cost for prototypes and small batches.
- ✓AdvantageSupports larger parts and a broader range of alloys.
- −DisadvantageRougher surfaces and lower dimensional accuracy.
- −DisadvantageEach casting requires a new sand mold.
Gravity Die Casting
- ✓AdvantageLower tooling and equipment costs.
- ✓AdvantageLower filling turbulence helps reduce trapped gas.
- −DisadvantageSlower production than high-pressure die casting.
- −DisadvantageLess suitable for thin walls and fine details.
High-Pressure Die Casting
- ✓AdvantageFast production for high-volume orders.
- ✓AdvantageProduces thin walls and detailed features.
- −DisadvantageRequires expensive tooling and equipment.
- −DisadvantageHigh-speed filling increases the risk of gas porosity.
Gravity Die Casting
- ✓AdvantageSimpler equipment and lower setup costs.
- ✓AdvantageSuitable for many medium-volume components.
- −DisadvantageGating and risers increase material consumption.
- −DisadvantageMetal flow is less controlled than in low-pressure casting.
Low-Pressure Die Casting
- ✓AdvantageControlled filling helps reduce turbulence and porosity.
- ✓AdvantageProvides good material yield and mechanical properties.
- −DisadvantageEquipment and tooling costs are higher.
- −DisadvantageThe process is more complex and has longer cycle times.
Gravity Cast Parts, Made Right
Quality control begins before production with a review of your CAD files, material, casting geometry, machining allowances, and critical requirements.
Key stages—from mold preparation and pouring to cleaning, machining, and finishing—follow the approved specifications. Parts are then inspected for dimensional accuracy, material conformity, surface condition, and critical features before delivery.
Supported by 30+ quality engineers, we help maintain clear inspection standards from initial review through final release.
- DFM and inspection support
- 20+ inspection equipment
- 30+ quality engineers
- ISO 9001:2015, ISO 13485, ISO 14001, and IATF 16949
Why Choose Yongshuo for Gravity Die Casting
High Quality Parts
Receive gravity die cast components produced through a controlled workflow covering die preparation, pouring, machining, and final inspection. Critical dimensions, alloy requirements, and acceptance standards are confirmed before production.
Fast Lead Time
Coordinated tooling, casting, machining, and finishing help maintain a typical lead time of 4–7 weeks. Final schedules depend on die complexity, material availability, order quantity, and post-processing requirements.
Engineering Support
Our engineers review part geometry, alloy selection, wall thickness, draft, machining allowances, and core requirements. Early DFM support helps reduce casting defects, tooling revisions, and unnecessary machining.
How to Get an Instant Quote for Gravity Casting
Upload a CAD File
Start by choosing your preferred manufacturing process, then upload your design file.
Get a Quote
Next, configure project details like material, finishing option, and quantity, receive an accurate quote and DFM feedback, then place your order.
Parts Delivered
Once production is complete and your parts pass quality inspections, they are shipped to you.
Instant Quoting with Yongshuo
Need gravity cast parts fast? Yongshuo’s online quoting system makes it easy to select materials, finishes, and specifications in a few clicks. Submit your design and order 24/7 to get precise stamped parts when you need them.
Yongshuo FAQs
Find quick answers about manufacturability, lead times, materials, finishes, quality documentation, and compliance. Need more support? Start a quote or explore our Help Center.
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