HOT PRODUCTS
Aluminium die | How to make parts with aluminium die ? A Complete Guide
How to Make Parts With Aluminium Die: A Complete Guide
1. Introduction: What Is Aluminium Die?
Aluminium die refers to high-precision hardened metal molds specially customized for high-pressure die casting (HPDC) production. It is the core tool that shapes molten aluminium alloy into finished industrial parts via hydraulic die casting machines. Different from ordinary plastic molds, aluminium dies bear ultra-high temperature impact and strong mechanical extrusion force, requiring high hardness, thermal fatigue resistance and dimensional stability.
The quality of aluminium die directly determines the surface finish, dimensional tolerance, mechanical performance and production yield of final aluminium casting parts. Premium aluminium dies can support millions of mass production cycles without structural deformation, which is the core foundation of stable large-batch hardware manufacturing.
2. Core Overview of Xinghang Precision Hardware
2.1 Company Profile
Xinghang Precision Hardware is a professional one-stop aluminium die development, manufacturing and aluminium die casting processing supplier based in China. We integrate die design, raw material casting, precision machining, surface post-processing and batch product assembly into one service system. We focus on high-precision non-standard aluminium die customization and ADC12 aluminium alloy die casting mass production for global industrial clients.
2.2 Core Company Strengths
- Full-process in-house production: Independent aluminium die workshop, die casting workshop and CNC precision machining workshop
- Strict quality control: ISO 9001 certified production system, full-size dimensional inspection for all dies and finished parts
- Customized solution support: One-to-one engineer tracking from drawing review to final mass delivery
- Flexible discount mechanism: Higher batch order quantity, more favorable unit price (exclusive bulk preferential policy)

3. Key Advantages of Aluminium Die Casting Parts
3.1 Product Performance Advantages
- Lightweight characteristic: 1/3 density of steel parts, greatly reducing overall equipment load
- Excellent thermal conductivity: Ideal for heat dissipation structural components
- High dimensional accuracy: Tolerance up to ±0.05mm supported by high-grade aluminium dies
- Good corrosion resistance: ADC12 base material plus anodizing, sandblasting post-processing enhances durability
- Complex structure forming capacity: One-time forming of thin-wall, grooved and irregular structural parts
3.2 Production & Economic Advantages
- High mass production efficiency: Aluminium die supports 24-hour continuous automated production
- Low unit batch cost: Minimal manual intervention, low material waste rate
- Rich post-processing options: CNC machining, polishing, anodization, powder coating available
4. Standard Parameter Table: ADC12 Aluminium Alloy (Main Material for Our Aluminium Die Casting)
All below data follows JIS H 5302 industrial standard, the universal execution standard for global ADC12 aluminium die casting production:
| Parameter Item | Standard Value of ADC12 | Production Control Standard (Xinghang) |
|---|---|---|
| Silicon (Si) Content | 9.6~12.0% | 10.0~11.5% (Optimized for die fluidity) |
| Copper (Cu) Content | 1.5~3.5% | 2.0~3.0% |
| Aluminium (Al) Base | Balance | Balance |
| Brinell Hardness (HBW) | 70~90 HBW | 75~90 HBW |
| Melting Temperature | 580℃~620℃ | 590℃~610℃ (Stable die casting parameter) |
| Material Shrinkage Rate | 0.8%~1.3% | Controlled within 1.0% via aluminium die compensation |
| Best Wall Thickness for Forming | 1.0mm~6.0mm | 1.2mm~8.0mm (Customized by die design) |
| Die Casting Pressure | 30~70 MPa | 40~65 MPa (Matched with Xinghang aluminium die) |
Key Note: ADC12 is the most cost-effective aluminium alloy for general industrial aluminium die casting, featured with excellent molten fluidity, which perfectly matches high-speed forming of precision aluminium dies.
5. Step-by-Step Process to Make Parts With Aluminium Die
5.1 Step 1: Aluminium Die Design & Mold Fabrication
According to client 2D/3D product drawings, Xinghang engineers complete aluminium die flow channel design, cooling system design and ejection system layout. High-quality mold steel is adopted for die core processing to guarantee long die service life. This step determines 70% of final product qualification rate.
5.2 Step 2: ADC12 Aluminium Alloy Melting
Put qualified ADC12 aluminium ingots into constant-temperature melting furnace; control molten alloy temperature strictly at 590℃-610℃ to avoid oxidation and impurity generation.
5.3 Step 3: High-pressure Injection Molding via Aluminium Die
Inject molten ADC12 aluminium liquid into the closed custom aluminium die under high hydraulic pressure. The cooling system inside the aluminium die rapidly cools down the alloy to form solid semi-finished parts.
5.4 Step 4: Demolding & Deburring
The aluminium die ejection system pushes out raw castings; workers and automated equipment remove overflow burrs generated at die parting lines.
5.5 Step 5: Precision Post-Processing & Inspection
Complete CNC drilling, tapping, surface treatment and full dimensional inspection; only qualified products enter bulk packaging and delivery process.
6. Application Scenarios & Functions of ADC12 Aluminium Die Castings
6.1 Core Functions of Aluminium Die Cast Parts
- Structural support: Bear mechanical load for mechanical assembly modules
- Heat dissipation carrier: Dissipate operating heat for electronic and new energy components
- Shell protection: Isolate dust, moisture and external physical damage for core devices
- Connector fitting: Precision assembly connection for multi-module industrial equipment
6.2 Main Industry Application Scenarios
- Automotive Industry: Auto motor brackets, engine housing, sensor accessories, new energy vehicle battery structural parts
- 3C Electronic Industry: Electronic equipment outer shells, radiator frames, hardware internal fixing brackets
- Home Appliance Industry: Air conditioner and refrigerator internal structural hardware parts
- Industrial Automation: Robot auxiliary structural parts, automation equipment mounting bases
- Lighting Industry: LED heat dissipation shells and lamp structural brackets
7. Industry Expert Viewpoints on Modern Aluminium Die Production
“In 2026, the bottleneck restricting high-precision aluminium casting production is no longer alloy material performance, but the overall precision and stability of custom aluminium dies. Factories that integrate independent die development and die casting production will occupy the core competitive advantage in the downstream supply chain. For bulk industrial orders, choosing suppliers with in-house aluminium die workshop can cut 15%-25% of comprehensive procurement cost while improving product consistency.”
— Mr. Wang, Senior Die Casting Industry Expert, Editorial Board of Special Casting & Nonferrous Metals Journal
“ADC12 will remain the mainstream general aluminium alloy for die casting in the next 3-5 years. Cooperating with hardware manufacturers with clear bulk discount policies is the best cost-control strategy for medium and large downstream manufacturers.”
— Ms. Li, Non-ferrous Metal Supply Chain Consultant
8. FAQ: Common Aluminium Die Casting Industry Questions
Q1: What is the difference between aluminium die and ordinary casting mold?
A: Aluminium die is made of high-grade heat-resistant mold steel, specially designed for high-temperature molten aluminium extrusion. It has higher hardness, longer service life and precise cooling system; ordinary casting molds cannot withstand high pressure and high temperature of aluminium alloy liquid.
Q2: Is ADC12 suitable for outdoor working environment?
A: Yes. With simple anodizing surface treatment, ADC12 aluminium die cast parts gain strong outdoor anti-oxidation and corrosion resistance, suitable for automotive and outdoor automation equipment.
Q3: Can Xinghang customize non-standard aluminium die according to my drawings?
A: Absolutely yes. We support full custom aluminium die design according to your 2D/3D drawings, sample reverse engineering, and small-batch trial production before formal bulk order.
Q4: How about the MOQ of your aluminium die casting service?
A: No strict minimum order quantity. We support sample order, small batch trial order and large-scale mass production. The more quantity you order, the bigger discount you get.
Q5: What after-sales service does Xinghang provide?
A: Free die maintenance during cooperative period; rework service for unqualified products caused by our production error; full-process order progress tracking.
9. Industry Development Trends & How to Choose A Qualified Hardware Supplier
9.1 2026-2030 Aluminium Die Casting Industry Development Trends
- High precision & lightweight iteration: New energy vehicle and 3C industry drive thinner, higher-precision aluminium die casting parts demand
- Green low-carbon production: Environment-friendly melting process and recyclable ADC12 aluminium raw materials become industry threshold
- Integrated one-stop service mainstream: Clients prefer suppliers with aluminium die design, casting, CNC machining and surface treatment full-chain service
- Bulk order cost optimization: Tier 1 downstream buyers focus on long-term cooperative suppliers with transparent bulk discount policies
9.2 How to Choose A High-Quality Aluminium Die Hardware Processing Supplier
- Verify in-house die manufacturing capacity: Prioritize manufacturers with independent aluminium die workshop instead of outsourcing mold factories
- Check material standard compliance: Confirm the supplier adopts standard JIS-certified ADC12 aluminium alloy
- Evaluate quality control system: Complete raw material inspection, in-process monitoring and finished product testing system
- Confirm flexible bulk discount policy: Choose suppliers with clear quantity tiered discount to reduce long-term procurement cost
- Check cross-border communication & delivery capacity: Stable international logistics and multilingual engineer docking service
Xinghang Precision Hardware fully meets all the above high-quality supplier screening standards, which is your priority long-term partner for global aluminium die casting procurement.
10. Xinghang Precision Hardware Order Policy: Bulk Order Discount Rules
To support long-term cooperation with global industrial clients, we launch permanent tiered discount activity for all aluminium die customization and ADC12 aluminium die casting orders:
- Order quantity 5,000-20,000 pcs: 3% exclusive discount on total order amount
- Order quantity 20,000-50,000 pcs: 8% exclusive discount on total order amount
- Order quantity above 50,000 pcs: 12%-15% super bulk discount + free regular aluminium die maintenance
- Long-term framework cooperative clients: Extra additional rebate based on annual total order volume
Core Rule: The more you order in batch, the more favorable unit price you obtain.
11. Conclusion
Aluminium die is the irreplaceable core tool for manufacturing high-performance ADC12 aluminium die casting parts. Benefiting from lightweight, high thermal conductivity and low comprehensive cost, aluminium die castings will maintain rapid growth in new energy, automobile and 3C electronic industries in the next 5 years. As the industry upgrades, full-chain and cost-effective hardware suppliers will become the core choice of global buyers.
When selecting a cooperative supplier, do not only focus on product price; pay more attention to the supplier’s aluminium die R&D capacity, full-process quality control and bulk preferential policy. Xinghang Precision Hardware provides one-stop aluminium die customization, ADC12 die casting processing and precision post-processing service. Our transparent tiered bulk discount can greatly reduce your long-term procurement cost.
12. Company Contact Information
Company Name: Xinghang Precision Hardware
Mobile / WhatsApp / WeChat: +86 18819502691
Official Business Email: liqine@xinghangcn.com
Business Scope: Custom Aluminium Die Design & Fabrication, ADC12 Aluminium Die Casting, CNC Precision Machining, Hardware Parts Surface Treatment
Display case | What is die-cast aluminum LED display case?A Complete Industry Guide
Custom cast aluminum | How long is the lead time for custom cast aluminum parts?Complete Guide
Related Article



















