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Silica Sol Investment Casting
Achieves superior surface finishes to Ra 125 µin for complex, thin-walled components in aerospace and medical applications.
Get QuoteCustom Investment Casting Services
We provide advanced investment casting for complex metal components with tight tolerances. Our solutions serve multiple precision industries, delivering exceptional surface quality and dimensional stability.
- Quick Quote & Review: Get feasibility analysis, alloy selection, and clear pricing via 3D models
- Precision Manufacturing: Achieve thin-wall designs under 0.4mm with high-integrity casting
- Full-Cycle Engineering: Support from prototyping to finishing, including shell system and thermal processing
- Economical Low Volumes: Optimize small-batch production of intricate parts, reducing unit cost and lead time
- Technical Data: Wall thickness from 0.3mm, tolerances to CT4–CT7, surface roughness Ra1.6–3.2μm
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Trusted by Engineers and Purchasing Leaders at the World's Most Successful Companies
15+Years in Metal Casting
200,000+Precision Castings Delivered
98.8%On-Time Delivery Rate
≤1.2%overall defect rate
Trusted bynumerous companies
JS Precision provides metal casting services. With 15+ years of experience, we ensure a 98.8% on-time delivery rate and maintain a defect rate of ≤1.2% to achieve reliable manufacturing.
What isInvestment Casting?
Investment Casting is a precision manufacturing service that produces complex, high-performance metal components. This intricate process transforms detailed wax patterns into durable ceramic molds for casting advanced alloys.
Our specialized service begins with creating an accurate wax prototype of your design. This model is then coated with multiple ceramic layers to form a robust shell. After the wax is removed, the resulting mold is filled with molten metal under controlled conditions.
The final stage involves precision shell removal, cutting, and finishing to meet exact specifications. This method delivers exceptional accuracy, superior surface quality, and design flexibility for complex geometries, providing reliable production solutions for aerospace, medical technology, and energy sector applications.
Investment Casting Service for Custom Precision Parts
We provide precision investment casting solutions that transform your designs into high-performance components, from prototyping to full-scale production.
Water Glass Investment Casting
Delivers cost-effective, high-volume production with consistent quality and efficient lead times for industrial parts.
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Hybrid Process Investment Casting
Combines dimensional accuracy within ±0.10 mm with optimized manufacturing efficiency for complex prototypes and end-use components.
Get QuoteInvestment Casting Core Technical Parameters
Our precision investment casting manufacturing adheres to stringent technical parameters, ensuring the production of high-integrity, complex components for demanding applications.
General Technical Specifications
Dimensional Accuracy
CT4-CT8
Surface Finish
Ra 1.6-12.5μm
Minimum Wall Thickness
≥ 0.5 mm
Minimum Inner Hole Diameter
≥ 1.0 mm
Dimensional Tolerance
±0.02 to ±0.5 mm
Single Part Weight Range
0.01-100 kg
Maximum Part Dimension
≤ 1500 mm
Batch Production Capacity
50 to 10,000 pieces/month
Material Performance for Investment Casting
| Casting Material | Melting Temp (°C) | Tensile Strength (MPa) | Hardness (HB/HV) | Compatible Process |
|---|---|---|---|---|
| Stainless Steel (304/316) | 1520-1600 | ≥500 | 150-200 HB | Silica Sol / Composite |
| Superalloy (Inconel 718) | 1400-1450 | ≥900 | 300-380 HV | Silica Sol / Composite |
| Titanium Alloy (TC4) | 1650-1700 | ≥800 | 300-350 HV | Silica Sol |
| Carbon/Low-Alloy Steel | 1500-1550 | ≥400 | 120-180 HB | Water Glass / Composite |
| Aluminum Alloy (A356) | 700-750 | ≥250 | 70-100 HB | All Processes |
Stainless Steel (304/316)
Melting Temp (°C)
1520-1600
Tensile Strength (MPa)
≥500
Hardness (HB/HV)
150-200 HB
Compatible Process
Silica Sol / Composite
Superalloy (Inconel 718)
Melting Temp (°C)
1400-1450
Tensile Strength (MPa)
≥900
Hardness (HB/HV)
300-380 HV
Compatible Process
Silica Sol / Composite
Titanium Alloy (TC4)
Melting Temp (°C)
1650-1700
Tensile Strength (MPa)
≥800
Hardness (HB/HV)
300-350 HV
Compatible Process
Silica Sol
Carbon/Low-Alloy Steel
Melting Temp (°C)
1500-1550
Tensile Strength (MPa)
≥400
Hardness (HB/HV)
120-180 HB
Compatible Process
Water Glass / Composite
Aluminum Alloy (A356)
Melting Temp (°C)
700-750
Tensile Strength (MPa)
≥250
Hardness (HB/HV)
70-100 HB
Compatible Process
All Processes
Three Investment Casting Process Parameters
Silica Sol Process
Min Wall Thickness≥0.5 mm
Surface FinishRa 1.6 - Ra 3.2μm
Dimensional AccuracyCT4 - CT5
Shell Layers6 - 10 layers
Production Lead Time7 - 10 days (sample)
Water Glass Process
Min Wall Thickness≥2.0 mm
Surface FinishRa 6.3 - Ra 12.5μm
Dimensional AccuracyCT6 - CT8
Shell Layers5 - 7 layers
Production Lead Time5 - 7 days (sample)
Composite Mold Process
Min Wall Thickness≥1.0 mm
Surface FinishRa 3.2 - Ra 6.3μm
Dimensional AccuracyCT5 - CT6
Shell Layers5 - 7 layers
Production Lead Time5 - 7 days (sample)
How to Execute the Investment Casting Process
Our investment casting process delivers high-integrity metal components through the precision lost-wax method. This standardized, aerospace-grade manufacturing sequence ensures exceptional dimensional accuracy and superior surface finish for critical applications.
1
Custom Tooling Fabrication
Our process initiates with precision mold design and machining, creating the foundational tooling for accurate wax pattern production.
2
Wax Pattern Assembly
Specialized wax is injected to form replicas, which are then assembled onto a gating system to create a cluster for efficient shell building.
3
Pattern Refinement Service
Each wax assembly undergoes meticulous surface finishing and treatment to ensure optimal quality for the ceramic molding stage.
4
Refractory Shell Building
The cluster is coated with advanced ceramic slurries and stucco materials, constructing a multi-layered, high-strength refractory mold.
5
Dewaxing & Mold Curing
The wax is removed through a controlled autoclave process, and the hollow ceramic mold is subsequently dried and cured to achieve required properties.
6
Shell Firing & Preparation
The cured mold is fired at high temperature to eliminate residues and sinter the ceramic, preparing it for the metal pouring stage.
7
Alloy Melting & Casting
Certified metals are melted under controlled conditions and poured into the preheated mold to form the final casting with superior material integrity.
8
Finishing & Quality Inspection
Castings are separated, heat-treated, and machined. Each component undergoes rigorous inspection to verify compliance with specifications before delivery.
Post-Casting CNC Machining
JS Precision offers comprehensive CNC machining services to complete your investment cast components. Our precision machining capabilities ensure that critical dimensions, tight tolerances, and detailed features are achieved after the casting process. With expert manufacturing guidance, we help determine the optimal balance between as-cast geometry and machined features for cost efficiency and performance.
Our post-casting CNC machining solutions include:
- Multi-axis CNC machining centers for complex contours and precise bore finishing.
- Wire EDM technology for intricate details and high-accuracy features.
Investment Casting Quality Assurance
Quality is integral to our precision investment casting process. Our ISO 9001:2015 and IATF 16949:2016 certified systems ensure consistent excellence and full traceability for every component.
Advanced Inspection & Testing
We utilize advanced metrology, including CMM and X-ray inspection, for dimensional and material verification. Our comprehensive testing covers material analysis, mechanical performance, and functional validation.
Comprehensive Testing Procedures
We perform material testing, non-destructive testing (NDT), and dimensional inspections to validate mechanical properties, structural integrity, and precise geometries, ensuring parts meet all performance specifications.
Reliable Quality Standards
We maintain stringent quality controls with a first-article inspection pass rate exceeding 95%, supported by robust corrective measures to ensure all parts meet specifications before shipment.
Why Choose JS Precision for Investment Casting?
Partner with JS Precision for a comprehensive precision investment casting service. We provide engineered solutions focused on superior quality, reliable lead times, and dedicated technical collaboration for your complex component projects.
/01
Exceptional Casting Quality & Precision
Our process delivers dimensional consistency, superior surface finishes, and complex geometries for high-integrity cast parts, ensuring reliable performance in demanding applications.
/02
Reliable Production Lead Times
From prototype to production, our optimized workflow and capacity planning enable predictable schedules and industry-leading turnaround for your precision casting solutions.
/03
Expert Technical Collaboration
Our engineering team provides dedicated support, including DFM feedback, alloy selection guidance, and process optimization, to transform your concepts into manufacturable, cost-effective components.
APPLICATIONS
Precision Investment Casting for Application
JS Precision delivers high-integrity cast components with tolerances to CT4 and surface finishes of Ra 1.6-3.2 μm for demanding industries.
Aerospace & Defense
Producing turbine components, structural parts, and engine elements from superalloys and titanium for extreme performance environments.
Energy & Industrial
Creating corrosion-resistant valves, pump impellers, and flow control parts for rigorous power generation and processing applications.
Medical & Dental Devices
Fabricating biocompatible implants and surgical instruments that meet stringent precision and surface quality standards.
Robotics & Automation
Enabling complex, wear-resistant actuator and drive components with high dimensional stability for precision systems.
Automotive & Mobility
Manufacturing lightweight, heat-resistant components such as turbo housings and sensor bodies to enhance vehicle efficiency.
Consumer Technology
Crafting intricate enclosures and structural hardware with aesthetic detail and functional performance for advanced electronics.
Advantages of Investment Casting
- Design freedom for highly complex and intricate geometries
- Excellent dimensional accuracy and superior surface finish
- Broad alloy compatibility and superior metallurgical properties
- Cost-effective production for low to medium volume orders
Disadvantages of Investment Casting
- Higher per-part cost for simple, high-volume components
- Longer lead times compared to stamping or forging processes
- Size limitations for very large or heavy cast parts
- Initial tooling and pattern development requires investment
Investment Casting Latest News
Stay informed with the latest updates and announcements from JS Precision. Learn about our most recent projects.
Investment Casting FAQs
Our precision investment casting service excels at producing components with intricate geometries, thin walls, and excellent surface finishes. This process delivers superior metallurgical integrity and dimensional stability, making it ideal for aerospace, medical, and automotive applications where performance is critical.
Standard lead times range from 4-6 weeks for prototypes and 6-12 weeks for production runs. We offer expedited services for urgent projects, with timeline optimization based on part complexity, alloy selection, and quantity requirements.
For intricate designs, investment casting often proves more cost-effective than CNC machining by minimizing material waste and eliminating complex multi-axis programming. Our service provides net-shape or near-net-shape components, significantly reducing secondary machining requirements and total production costs.
Yes, our foundry capabilities include processing a wide range of ferrous and non-ferrous alloys. We specialize in stainless steels, superalloys, aluminum alloys, and titanium investment casting, with material certification and traceability for all production runs.
We operate under ISO 9001:2015 and AS9100D quality systems. Every component undergoes dimensional verification using CMM, material composition analysis via spectrometry, and non-destructive testing to ensure compliance with your specifications.
Absolutely. Our investment casting services efficiently support prototype development through full-scale production. The process offers excellent scalability without significant tooling changes, making it economically viable across various production volumes.
Typical capabilities range from 0.01 kg to 100 kg, with maximum dimensions up to 1500 mm. We provide design for manufacturability (DFM) analysis during quotation to ensure your components fall within optimal parameters for quality and cost-effectiveness.
We provide complete integrated services including heat treatment, CNC machining, and surface finishing. Our vertical integration ensures consistent quality control from raw material to finished component, streamlining your supply chain and reducing lead times.
