Investment Casting Services
Deliver unmatched precision for critical industrial components. As a custom precision investment casting manufacturer, we specialize in lost-wax investment casting for various of material for castings, ensuring dimensional accuracy up to CT5 and minimal material waste. Our professional team supports complex geometries and rapid prototyping, ideal for demanding sectors like oil/gas and aerospace.
Why Choose Our Investment Casting Services?
Leveraging advanced lost-wax casting services, we transform wax patterns into high-integrity stainless steel components. Our proprietary ceramic shell technology eliminates porosity, while CNC-machined patterns guarantee repeatability. Clients benefit from 30% faster lead times versus traditional methods and full traceability from raw material to finished part.
Precision Investment Casting Services Explained
Our lost-wax investment casting workflow includes: wax pattern assembly, ceramic shell application, dewaxing, and precision pouring. Automated quality checks at each stage ensure compliance with ASTM A743 standards. We handle volumes from 1 to 10,000 units, with secondary services like heat treatment and surface finishing.
Material & Application Expertise
Specializing in stainless steel investment casting services (grades 304, 316, 17-4PH), we produce corrosion-resistant pump impellers, valve bodies, and marine hardware. Components withstand temperatures up to 1,200°C and pressures exceeding 10,000 PSI, meeting API 600/602 specifications.
Quality Assurance Framework
All pump & valve castings undergo 100% dimensional validation via CMM and MPI testing. Our facility features in-house metallurgical labs for chemical composition analysis, ensuring zero-defect delivery.
| Parameter | Detail |
|---|---|
| Material Grades | SS 304, 316, 17-4PH, Inconel 718 |
| Tolerance | ±0.05mm (critical features) |
| Weight Range | 10g – 50kg |
| Surface Finish | Ra 1.6–3.2 μm (as-cast) |
| Max. Dimension | 600mm length |
| Certifications | ISO 9001, ASTM A743, NADCAP |
Leesh Holdings: Professional Investment Casting Services for Custom Investment Casting Services
Leesh Holdings provides top-tier investment casting service (lost wax casting) for global industrial clients, delivering high-precision, complex metal components with consistent quality, cost efficiency, and reliable lead times.
With years of manufacturing experience and advanced production facilities, we specialize in custom investment casting solutions for aerospace, automotive, medical, machinery, marine, and other high-demand industries.
Leesh Investment Casting Process
Core Advantages of Our Investment Casting Service
✅ One Stop Solution
Full service from tooling manufacturing to finish machining, providing you with total solutions.
✅ Global Service
Professional English-speaking team with at least 5 years of global customer service experience.
✅ Experienced Engineers
Mature engineer training system, knowledgeable, energetic and enthusiastic technical support.
✅ Well-Maintained Equipment
Strict equipment maintenance ensures stable and reliable product quality and consistent performance.
✅ Cost & Production Efficiency
Low rejection rate and optimized process bring the best balance between cost and benefit for global customers.
✅ Professional Inspection & Testing
Complete quality inspection including material, dimension, NDT, scanning and strict testing for every product.
Technical Specifications & Parameters
| Manufacturing Method | OEM Investment Casting Services (Lost Wax Casting) |
| Material Standard | GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc |
| Main Materials | Carbon steel, Low carbon steel, Middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc. Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, AS2074 or according to customer specific requirement. Copper, Brass, Bronze |
| Weight Range | 0.01 kgs to 100 kgs |
| Cast Hole Min. Dia. | Ø2mm |
| General Casting Tolerance | CT4-CT7 |
| Design Software | UG, Pro-E, Inventor |
| Dwg Format | STP, STEP, IGS, STP, X_T, DXF, DWG, Pro/E, PDF, SLDPRT |
| Mould Manufacturing | Yes |
| Casting Simulation | Yes |
| Ultimate machining tolerance | 0.005mm |
| Quality Control | RT, UT, MT, PT, CMM, SCAN, Chemical and Mechanical Property Testing, Spectrometer, etc |
| Finish Roughness | Ra1.6-Ra3.2 according to customer requirement |
| Logo/ID | Silk-screening, Laser Marking, Engrave, Painting |
| Heat Treatment | Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching, etc |
| Surface Treatment | Shot/sand blast, Polishing, Surface Passivation, Painting, Anodizing, Powder coating, ED-Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting, hot-dip galvanizing, etc |
Our Investment Casting Services Scope
- Custom investment casting for metal parts (0.01kg – 100kg)
- Precision CNC machining & secondary processing
- Surface treatment: polishing, sandblasting, painting, passivation, plating
- Non-destructive testing (NDT), dimensional inspection & material certification
- Prototype & mass production solutions
Applicable Industries
Automotive
Medical Equipment
Industrial Machinery
Marine & Shipbuilding
Valve & Pump Parts
Construction Hardware
Quality Assurance
Leesh Holdings implements strict quality-every casting part under full inspection to ensure dimensional accuracy, material consistency, and performance stability for your critical applications.
Contact Us for Investment Casting Quote
Send your 2D/3D drawings to get a fast and professional custom solution!
