Titanium Castings

Our Titanium Castings are high-performance custom metal components, manufactured via advanced vacuum investment casting (lost wax casting), sand casting, and graphite permanent mold casting processes, using high-purity commercially pure titanium and aerospace-grade titanium alloys. Titanium's extreme chemical reactivity at high temperatures requires specialized vacuum melting and casting technology, and our state-of-the-art foundry is purpose-built for titanium casting, with full closed-loop process control to eliminate contamination, porosity, and material defects.

We offer full material grade coverage, from general-purpose Grade 2 commercially pure titanium to high-strength Grade 5 (Ti-6Al-4V) alloy, medical-grade Grade 23 ELI, and special titanium alloys for extreme applications. Our titanium castings are widely used in aerospace, medical implant & surgical devices, marine engineering, chemical processing, offshore oil & gas, high-performance racing, power generation, and semiconductor manufacturing industries, with full compliance with global industrial and regulatory standards.

Every titanium casting undergoes strict full-process quality control, with 100% traceability from raw material melt batch to finished part, ensuring consistent mechanical properties, dimensional accuracy, and structural integrity for every component we produce.

1. Advanced Titanium-Specific Casting Technology :

We use industry-leading vacuum induction skull melting (VISM) and vacuum arc remelting (VAR) technology, with full vacuum casting environment to prevent titanium from reacting with oxygen, nitrogen, hydrogen, and carbon at high temperatures. This eliminates contamination, porosity, inclusions, and brittle intermetallic phases, ensuring the cast titanium parts retain the full mechanical and corrosion-resistant properties of the base material. Our investment casting process achieves near-net-shape forming with minimal machining allowance, reducing post-casting processing costs and lead times.

2. Unmatched Complex Geometry Forming Capability :

Our titanium casting process enables the production of highly complex, integrated geometries with internal cavities, thin walls, undercuts, and intricate features that cannot be manufactured via forging or machining from solid stock. We can consolidate multi-part welded assemblies into a single one-piece titanium casting, eliminating weld failure risks, reducing assembly time, and improving structural integrity and fatigue resistance. This is ideal for aerospace engine components, medical implant structures, and custom industrial parts with complex internal flow paths.

3. Precision Dimensional Control & Tight Tolerances :

Our precision investment casting process achieves dimensional tolerances as tight as ±0.1mm for small to medium-sized parts, with standard tolerances compliant with ISO 8062 and ASTM E291 standards. We use high-precision wax injection molding, ceramic shell manufacturing, and 5-axis CNC post-machining to ensure every part meets your exact dimensional specifications, with minimal post-casting machining required. For high-precision applications, we can achieve surface roughness as low as Ra1.6μm directly from the casting process, with further polishing to Ra0.4μm available for medical and aerospace applications.

4. Full Material Grade Coverage & Superior Mechanical Performance :

We offer a complete range of commercially pure titanium and titanium alloy grades, with full control over heat treatment processes to optimize mechanical properties for your specific application. Our standard Grade 5 (Ti-6Al-4V) castings achieve tensile strength ≥895MPa, yield strength ≥825MPa, and elongation ≥10%, meeting or exceeding ASTM and aerospace standards. We also provide specialized heat treatment (hot isostatic pressing/HIP, solution treatment & aging) to eliminate internal porosity, improve fatigue resistance, and optimize strength and ductility for high-stress applications.

5. Industry-Leading Corrosion Resistance :

Our titanium castings fully inherit titanium's inherent corrosion resistance, with a dense, self-healing titanium oxide passive film that provides unparalleled protection in harsh environments. They are immune to rust and pitting in seawater, high-chloride brine, strong oxidizing acids, alkalis, and sour crude oil, outperforming 316L stainless steel castings in 90% of corrosive scenarios. Grade 7 titanium castings with palladium addition offer exceptional crevice corrosion resistance in extreme reducing acid environments, making them ideal for chemical processing and offshore oil & gas applications.

6. Excellent Biocompatibility & Medical Regulatory Compliance :

Our medical-grade titanium castings use Grade 23 (Ti-6Al-4V ELI) ultra-low interstitial titanium, manufactured in an ISO 13485 certified clean workshop, fully compliant with ASTM F1108, ISO 5832-3, and FDA standards. They are non-toxic, non-cytotoxic, non-allergenic, and offer excellent osseointegration performance, making them ideal for orthopedic implants, dental prosthetics, surgical instruments, and medical device components. We provide full biocompatibility test reports and regulatory documentation for medical applications.

7. Ultra-Lightweight & High Strength-to-Weight Ratio :

Titanium has a density of just 4.51g/cm³ - 40% lighter than steel and 60% lighter than stainless steel - while offering comparable tensile strength to high-strength alloy steel. Our titanium castings significantly reduce component weight, improving fuel efficiency in aerospace and automotive applications, reducing equipment load in marine and industrial systems, and enhancing performance in high-performance racing and aerospace applications.

8. Superior Batch-to-Batch Consistency & Full Traceability :

We implement a fully digital closed-loop production management system, with real-time monitoring of every casting process parameter. Every batch of castings undergoes full chemical composition analysis, mechanical property testing, and non-destructive inspection, ensuring consistent performance across production runs. Every part is marked with a unique serial number, with full traceability from raw material melt batch, through casting, heat treatment, machining, and final inspection.

We implement a full-process closed-loop and traceable quality management system, with strict control over every step of the titanium casting production process, ensuring every part meets the highest quality standards :

- Raw Material Incoming Inspection : All titanium raw materials comply with ASTM B348 and relevant grade standards, with full-spectrum chemical composition analysis via ICP-OES, mechanical property testing, and ultrasonic flaw detection. We only use premium titanium sponge and certified ingots from leading global suppliers, with 100% traceability from melt batch to finished casting.

- DFM & Tooling Manufacturing : Our engineering team provides Design for Manufacturability (DFM) optimization for your part drawings, identifying potential casting defects, reducing machining requirements, and optimizing part structure for castability. We manufacture high-precision aluminum molds for wax injection, 3D printed wax patterns for prototype parts, and sand/graphite molds for large castings, with full dimensional inspection of all tooling before production.

- Pattern & Mold Manufacturing : 

- Investment Casting: High-precision wax injection molding to create consistent wax patterns, with assembly of wax patterns onto casting trees, multi-layer ceramic shell dipping and drying, and dewaxing via high-pressure steam to create hollow ceramic molds. Molds are sintered at high temperature to achieve optimal strength and thermal stability.

- Sand Casting: Resin-bonded sand mold manufacturing via 3D sand printing or traditional molding, with core making for internal cavities, and mold assembly with full dimensional verification.

- Graphite Mold Casting: CNC machined graphite permanent molds, with precise dimensional control and excellent thermal stability for consistent casting quality.

- Vacuum Melting & Casting : All titanium melting and casting is performed in a high-vacuum environment (≤1×10⁻² Pa) using vacuum induction skull melting (VISM) technology, to prevent titanium from reacting with air and forming brittle contaminants. The molten titanium is poured into preheated molds under vacuum or inert gas pressure, with precise control over pouring temperature, speed, and pressure to ensure complete mold filling and eliminate porosity, cold shuts, and inclusions.

- Demolding & Initial Cleaning : After solidification and cooling, castings are removed from molds via mechanical vibration, high-pressure water blasting, and sandblasting to remove residual ceramic/sand material. Casting trees are cut off, and gates, risers, and excess material are removed via CNC cutting and grinding.

- Hot Isostatic Pressing (HIP) & Heat Treatment : For high-performance aerospace, medical, and structural castings, we perform Hot Isostatic Pressing (HIP) at 920℃ and 100MPa argon pressure to eliminate internal porosity, improve density, and enhance fatigue resistance and ductility. We then perform custom heat treatment (full annealing, solution treatment & aging) to optimize the mechanical properties of the casting, with full mechanical property testing of every heat treatment batch.

- CNC Post-Machining & Finishing : We use 5-axis CNC machining centers to perform precision post-machining of critical features, holes, threads, and mating surfaces, achieving tight tolerances down to ±0.05mm. We offer full finishing services, including pickling & passivation, mechanical polishing, electropolishing, sandblasting, and surface coating, to deliver ready-to-assemble finished parts.

- 100% Non-Destructive Testing & Final Inspection : 

Every casting undergoes rigorous non-destructive testing:

- 100% Penetrant Testing (PT) to detect surface cracks and defects

- Radiographic Testing (RT/X-Ray) to detect internal porosity and inclusions

- Ultrasonic Testing (UT) for thick-wall and high-stress structural parts

- Eddy Current Testing (ET) for thin-wall and surface defect detection

- Full dimensional inspection via CMM (Coordinate Measuring Machine) for every batch

- Chemical composition analysis and mechanical property testing (tensile strength, yield strength, elongation, hardness) for every heat treatment batch

- Traceable Marking & Packaging : Every finished part is laser marked with part number, material grade, heat number, and unique serial number for full traceability. Parts are packaged with anti-corrosion and anti-collision protection, with full documentation (Material Test Certificate, NDT report, dimensional inspection report) included with every shipment.

- Precision Titanium Investment Castings (Lost Wax Castings) : Wax Injection + Ceramic Shell + Vacuum Investment Casting, Highest dimensional accuracy, tightest tolerances, ability to form complex thin-wall geometries, excellent surface finish, Aerospace engine components, medical implants, high-performance racing parts, precision industrial valves, semiconductor equipment parts, complex fluid system components.
- Titanium Sand Castings : Resin-Bonded Sand Mold + Vacuum Casting, Large size capability, low tooling cost, suitable for medium to large parts, flexible for low-volume production, Marine equipment hull components, chemical processing pressure vessels, large valve bodies, offshore oil & gas components, power generation turbine parts.
- Titanium Graphite Permanent Mold Castings : Graphite Mold + Gravity/Pressure Vacuum Casting, Excellent dimensional consistency, high material density, smooth surface finish, suitable for medium to high volume production, Automotive & racing exhaust components, industrial pump bodies, hydraulic system parts, marine hardware, general industrial components.
- Medical Grade Titanium Castings: Cleanroom Investment Casting + HIP Treatment, ISO 13485 certified production, ASTM F1108 compliant, Grade 23 ELI material, biocompatible, ultra-smooth surface finish, Orthopedic implants (hip, knee, spine), dental prosthetics, surgical instruments, medical device housings, endoscopic components.
- Aerospace Grade Titanium Castings : Investment Casting + HIP + Full NDT Inspection, AMS 4985 compliant, Grade 5 Ti-6Al-4V, high fatigue resistance, extreme temperature stability, full material traceability, Aircraft engine components, airframe structural parts, landing gear components, aerospace hydraulic system parts, satellite and spacecraft components.
- Corrosion-Resistant Industrial Titanium Castings : Investment/Sand Casting + Stress Relief Annealing, Grade 2/Grade 7 titanium, exceptional corrosion resistance, pressure tightness, long service life, Chemical process valves, pumps, heat exchanger components, flue gas desulfurization parts, seawater desalination equipment, offshore pipeline components.
- High-Performance Racing Titanium Castings : Investment Casting + Solution & Aging Treatment, Grade 5/Ti-6Al-4V alloy, ultra-lightweight, high strength, high temperature resistance, fatigue optimized, Motorcycle/automotive racing engine components, exhaust manifolds, suspension parts, brake calipers, transmission components, karting parts.
- Custom Titanium Castings : Custom Process per Drawing/Sample, Fully customized geometry, material, heat treatment, and finish; DFM design optimization; prototype to mass production, Specialized industrial equipment, scientific research instruments, custom marine hardware, artistic castings, non-standard mechanical components.

Q: What is the difference between titanium castings and titanium forgings/machined parts?

A: The core difference lies in manufacturing process, geometry capability, cost, and material properties:

- Complex Geometry : Titanium casting can produce highly complex, integrated geometries with internal cavities and intricate features that are impossible or extremely costly to manufacture via forging or machining from solid bar stock. Casting can consolidate multi-part welded assemblies into a single one-piece component, eliminating weld failure risks.

- Cost Efficiency : For complex parts, casting reduces material waste by up to 80% compared to machining from solid titanium, and eliminates costly multi-step machining operations. Tooling costs for casting are significantly lower than forging dies for low to medium volume production.

- Material Properties : Forgings offer higher directional strength and fatigue resistance for simple, high-load structural parts, while properly HIP-treated titanium castings offer isotropic mechanical properties that meet or exceed ASTM and aerospace standards for most applications.

- Lead Time : Casting offers faster lead times for complex parts, especially for prototypes and low-volume production, compared to custom forging and multi-axis machining.We can recommend the optimal manufacturing process based on your part geometry, performance requirements, and production volume. 

Q: What casting process do you recommend for my titanium part?

A: The optimal casting process depends on your part size, weight, geometry, required tolerance, production volume, and budget:

- Investment Casting (Lost Wax Casting) : Recommended for small to medium-sized parts (5g to 50kg) with complex geometries, thin walls, and tight dimensional tolerances. It offers the best surface finish and highest precision, ideal for aerospace, medical, and high-performance racing parts.

- Sand Casting : Recommended for medium to large-sized parts (up to 500kg) with simpler geometries, low to medium production volume, and lower tooling cost. It is ideal for large marine components, pressure vessels, and valve bodies.

- Graphite Permanent Mold Casting : Recommended for medium-sized parts (100g to 100kg) with medium complexity, medium to high production volume, and consistent dimensional requirements. It offers excellent material density and surface finish, ideal for industrial components and automotive/racing parts.Our engineering team can provide a free process recommendation based on your part drawings and requirements.

Q: What is the minimum wall thickness and dimensional tolerance you can achieve with titanium casting?

A: The minimum wall thickness and achievable tolerance depend on the casting process and part size:

- Investment Casting : Minimum wall thickness of 0.8mm for small parts (<50mm), 1.5mm for medium parts (50-300mm), and 2.5mm for large parts (>300mm). Standard dimensional tolerance is ±0.1mm for parts <100mm, and ±0.1% of the dimension for parts >100mm (ISO 8062 CT5-CT6). Tighter tolerances down to ±0.05mm can be achieved via CNC post-machining.

- Sand Casting : Minimum wall thickness of 3.0mm for small parts, 5.0mm for large parts, with standard dimensional tolerance of ±0.2mm for parts <100mm, and ±0.2% for parts >100mm.

- Graphite Mold Casting : Minimum wall thickness of 2.0mm, with standard dimensional tolerance of ±0.15mm for parts <100mm.We will provide specific tolerance and wall thickness guidelines during the DFM analysis of your part drawings.

Q: What is Hot Isostatic Pressing (HIP), and when is it required for titanium castings?

A: Hot Isostatic Pressing (HIP) is a process where castings are subjected to high temperature (920℃ for Ti-6Al-4V) and high isostatic pressure (100MPa) in an argon atmosphere. HIP eliminates internal porosity, shrinkage, and voids in the casting, improving material density, ductility, fatigue resistance, and fracture toughness.HIP is required for:

- Aerospace structural and engine components (per AMS 4986 standard)

- Medical implant castings (per ASTM F1108 standard)

- High-stress, fatigue-critical components in racing and industrial applications

- Pressure-containing parts for chemical processing and oil & gas applicationsHIP is recommended for all high-performance titanium castings to maximize service life and reliability, even if not required by industry standards.

Q: What is your minimum order quantity (MOQ) for custom titanium castings?

A: We have flexible MOQ options to support all project stages:

- Prototype Parts : We accept single-piece orders for prototype and R&D purposes, with no minimum order quantity for custom castings.

- Low-Volume Production : We support small batch production from 5-10 pieces for custom projects and niche applications.

- Mass Production : We offer competitive pricing for high-volume production runs from 100+ pieces, with consistent batch-to-batch quality.Our goal is to support your project from initial prototype to full mass production, with no restrictive MOQ requirements.

Q: Can you provide titanium casting prototypes before mass production? What is the lead time?

A: Yes, we offer rapid prototyping services for custom titanium castings. We use 3D printed wax patterns and investment casting to produce functional prototype parts with the same material properties and dimensional accuracy as production parts.

- Prototype Lead Time : Standard prototype lead time is 10-15 working days from drawing approval to finished parts. Expedited prototype production is available in 7-10 working days for urgent projects.

- Prototype Testing : We can provide full material test reports, dimensional inspection reports, and NDT testing for prototype parts, to verify performance before mass production.

Q: What non-destructive testing (NDT) do you perform on titanium castings?

A: We perform comprehensive NDT testing on every titanium casting, with custom inspection plans based on your application requirements:

- 100% Penetrant Testing (PT) : For all castings, to detect surface cracks, porosity, and defects.

- Radiographic Testing (RT/X-Ray) : For all aerospace, medical, and pressure-containing parts, to detect internal porosity, inclusions, and shrinkage defects.

- Ultrasonic Testing (UT) : For thick-wall and high-stress structural parts, to detect internal defects and verify material density.

- Eddy Current Testing (ET) : For thin-wall parts and surface defect detection.

- Dimensional Inspection : Full CMM dimensional inspection for every batch of parts, with inspection reports provided with every shipment.We can also perform custom NDT testing per your specific requirements and industry standards.

Q: What is the difference between Grade 5 (Ti-6Al-4V) and Grade 23 (Ti-6Al-4V ELI) titanium castings?

A: The core difference is the interstitial element content (oxygen, nitrogen, carbon, iron) and resulting mechanical properties and biocompatibility:

- Grade 5 (Ti-6Al-4V) : Standard industrial and aerospace grade, with oxygen content ≤0.20%, higher strength, and lower cost. It is ideal for aerospace components, racing parts, industrial valves, and general high-performance applications.

- Grade 23 (Ti-6Al-4V ELI) : Medical-grade Ultra-Low Interstitial alloy, with oxygen content ≤0.13%, iron content ≤0.25%, and lower carbon and nitrogen content. It offers superior ductility, fatigue resistance, and biocompatibility, and is the global gold standard for surgical implants, dental prosthetics, and medical device components. It is fully compliant with ASTM F1108 and ISO 5832-3 standards for surgical implants.Grade 23 is required for implantable medical devices, while Grade 5 is suitable for all non-implant industrial and aerospace applications.

Q: How do titanium castings compare to stainless steel castings in terms of performance and cost?

A: Titanium castings offer significant performance advantages over stainless steel castings, with a higher upfront cost that is offset by longer service life and lower maintenance costs:

- Performance Advantages : Titanium is 40% lighter than stainless steel, with superior corrosion resistance (especially in seawater, chloride, and acid environments), better high-temperature performance, and excellent biocompatibility. Titanium castings have a service life 3-5 times longer than 316L stainless steel castings in corrosive environments, reducing replacement and maintenance costs.

- Cost Considerations : Titanium raw material is more expensive than stainless steel, and titanium casting requires specialized vacuum equipment, resulting in a higher upfront part cost. However, for applications where corrosion resistance, weight reduction, and long service life are critical, titanium castings offer a significantly lower total cost of ownership over the product lifecycle.For marine, chemical, aerospace, and medical applications, the performance benefits of titanium castings far outweigh the initial cost difference.

Q: What information do you need to provide a quotation for custom titanium castings?

A: To provide an accurate and detailed quotation, we need the following information:

- 3D CAD Drawings : STEP, IGES, or SolidWorks files of the part, with full dimensional specifications, tolerances, and critical features. 2D drawings with dimensions and tolerances are also accepted.

- Material Grade Requirement : Specify the titanium grade required (e.g., Grade 2, Grade 5, Grade 23 ELI), or let us recommend the optimal grade based on your application.

- Required Quantity : Prototype quantity, annual usage, and total production volume.

- Heat Treatment & HIP Requirements : Specify if HIP treatment, solution treatment & aging, or other custom heat treatment is required.

- Post-Machining Requirements : Specify which features require CNC machining, tolerances for machined surfaces, and any required finishing operations.

- NDT & Inspection Requirements : Specify any industry standards or custom NDT inspection requirements.

- Application & Working Conditions : Brief description of the part's application, working temperature, pressure, and corrosive environment, to help us optimize the design and material selection.

Q: Do you provide a warranty for your titanium castings?

A: Yes, we provide a 12-month comprehensive quality warranty from the date of delivery, covering any material defects, manufacturing defects, or non-compliance with the agreed specifications and drawings under normal use. For medical and aerospace applications, we provide lifetime technical support and a 6-month warranty against material and manufacturing defects.

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