Industry-Verified Manufacturing Data (2026)

Die Casting Die

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Die Casting Die used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Die Casting Die is characterized by the integration of Fixed Die Half (Cover Die) and Moving Die Half (Ejector Die). In industrial production environments, manufacturers listed on CNFX commonly emphasize Tool Steel (e.g., H13, 2344) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision tool used in high-pressure die casting to shape molten metal into complex components.

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Product Specifications

Technical details and manufacturing context for Die Casting Die

Definition
The die casting die is a critical component of the High-Pressure Die Casting Machine, consisting of two or more hardened steel blocks that form a cavity. It receives molten metal injected under high pressure and rapidly cools it to produce a solid, net-shape metal casting with high dimensional accuracy and surface finish.
Working Principle
Molten metal is injected into the closed die cavity under high pressure (typically 10-200 MPa). The die halves are held together by the machine's clamping force to withstand the injection pressure. After injection, the metal solidifies rapidly due to the die's temperature control systems. The die then opens, and ejector pins push the casting out before the cycle repeats.
Common Materials
Tool Steel (e.g., H13, 2344), Maraging Steel, Copper Alloys (for inserts)
Technical Parameters
  • Cavity dimensions defining the final casting size; includes length, width, depth, and critical tolerances. (mm) Per Request
Components / BOM
  • Fixed Die Half (Cover Die)
    Stationary half attached to the machine's fixed platen; contains sprue bushing for metal injection
    Material: hardened tool steel
  • Moving Die Half (Ejector Die)
    Half attached to the moving platen; contains ejector system to remove solidified casting
    Material: hardened tool steel
  • Die Cavity
    Precision-machined void that forms the shape of the final casting
    Material: tool steel with possible surface treatments
  • Ejector Pins
    Push the solidified casting out of the die cavity after opening
    Material: heat-treated steel
  • Cooling Channels
    Network of passages for circulating coolant to control die temperature and solidification rate
    Material: drilled/tool steel
Engineering Reasoning
50-150 MPa injection pressure, 150-350°C die temperature, 0.5-2.0 m/s injection velocity
Thermal fatigue cracking initiates at 650-700°C surface temperature with >10,000 cycles, mechanical failure occurs at >200 MPa tensile stress on die surface
Design Rationale: Thermal fatigue from cyclic heating (molten aluminum at 660°C) and cooling (die temperature 150-350°C) creates thermal stresses exceeding H13 tool steel yield strength (1650 MPa at 20°C, reduced to 1200 MPa at 500°C), combined with erosion from aluminum flow at 2.0 m/s velocity
Risk Mitigation (FMEA)
Trigger Inadequate die cooling causing localized temperature exceeding 700°C
Mode: Thermal fatigue cracking in die cavity surface
Strategy: Optimized conformal cooling channels maintaining die surface temperature below 350°C with turbulent water flow at 15 L/min
Trigger Molten aluminum velocity exceeding 2.5 m/s during injection
Mode: Erosive wear and soldering of aluminum to die surface
Strategy: Precise injection velocity profiling with servo-hydraulic control maintaining 0.8-1.5 m/s and die surface coating with AlCrN (3-5 μm thickness, hardness 2800 HV)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Die Casting Die.

high-pressure die casting die precision die casting tool steel die casting mold cooling channels complex component die cavity design industrial die casting ejector pins

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 30-150 MPa injection pressure, 10-30 MPa clamping force per projected area
other spec: Cycle time: 15-120 seconds, Surface roughness: Ra 0.4-1.6 μm, Dimensional tolerance: ±0.05-0.2 mm
temperature: 200-400°C (typical molten aluminum alloys), up to 700°C for copper alloys
Media Compatibility
✓ Aluminum alloys (e.g., A380, ADC12) ✓ Zinc alloys (e.g., ZA-8, ZA-27) ✓ Magnesium alloys (e.g., AZ91D)
Unsuitable: Ferrous metals (steel, iron) due to excessive thermal stress and wear
Sizing Data Required
  • Projected area of casting (cm²) including runners and overflows
  • Required clamping force (tonnage) based on injection pressure and projected area
  • Cavity complexity rating (simple/moderate/complex) affecting cooling system design and tool life

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Repeated heating and cooling cycles during casting cause expansion and contraction stresses, leading to crack initiation and propagation in die steel, especially in thin sections or sharp corners.
Soldering/erosion
Cause: Molten aluminum or zinc alloys chemically bond to or erode die surfaces due to high temperatures, improper die coatings, or inadequate lubrication, leading to surface degradation and dimensional inaccuracies.
Maintenance Indicators
  • Visible cracks or crazing on die surfaces, particularly around gates, runners, or cooling channels
  • Audible hissing or whistling during operation indicating air or coolant leaks from damaged seals or cracked die components
Engineering Tips
  • Implement controlled preheating and cooling protocols to minimize thermal shock, using gradual temperature ramps and maintaining die temperature within optimal operating ranges
  • Apply advanced surface treatments like PVD coatings or nitriding to enhance wear resistance, and use precision-mixed die lubricants with proper application frequency to reduce soldering and erosion

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ASTM E155 - Standard Reference Radiographs for Inspection of Aluminum and Magnesium Die Castings DIN 16749 - Die casting dies; general requirements and testing
Manufacturing Precision
  • Cavity dimensions: +/-0.05mm
  • Parting line flatness: 0.08mm per 300mm
Quality Inspection
  • Coordinate Measuring Machine (CMM) dimensional verification
  • Hardness testing (HRC) of die components

Factories Producing Die Casting Die

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

S Sourcing Manager from Germany Jan 16, 2026
★★★★★
"Testing the Die Casting Die now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from Brazil Jan 13, 2026
★★★★☆
"Impressive build quality. Especially the technical reliability is very stable during long-term operation. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Canada Jan 10, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Die Casting Die meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

10 sourcing managers are analyzing this specification now. Last inquiry for Die Casting Die from India (44m ago).

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Frequently Asked Questions

What materials are best for die casting dies in high-volume production?

Tool steels like H13 and 2344 are ideal for high-volume die casting due to their excellent thermal fatigue resistance and hardness retention at elevated temperatures, ensuring long die life and consistent part quality.

How do cooling channels affect die casting die performance?

Properly designed cooling channels are critical for controlling solidification rates, reducing cycle times, minimizing thermal stress on the die, and preventing defects like porosity in cast components.

What maintenance is required for die casting dies?

Regular maintenance includes cleaning of die surfaces and cooling channels, inspection for wear or cracks, lubrication of moving components, and periodic refurbishment of critical areas like the die cavity and ejector pins to ensure precision and prevent downtime.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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