Precision Investment Casting Techniques
Material & Quality Assurance
Custom Solutions & Applications
Stainless Steel Investment Casting Supplier – Casting Material
| Material Type | ISO Standard | ASTM Standard | European Standard (EN) | Australian Standard (AS) |
|---|---|---|---|---|
| Austenitic Stainless Steel (304 Type) | ISO 17162:2016 GC X5CrNi18-10 |
ASTM A351 CF8 / CF3 (304L) |
EN 10283:2019 G-X5CrNi18-9 / G-X2CrNi19-11 |
AS 2074:2003 H5A / H5B / H5C |
| Austenitic Stainless Steel (316 Type) | ISO 17162:2016 GC X5CrNiMo17-12-2 |
ASTM A351 CF8M / CF3M (316L) |
EN 10283:2019 G-X5CrNiMo18-10 / G-X2CrNiMo19-11-2 |
AS 2074:2003 H6A / H6B / H6C / H6D / H6E |
| Duplex Stainless Steel | ISO 17162:2016 GC X2CrNiMoN22-5-3 |
ASTM A995 4A / 5A (CD3MN) |
EN 10283:2019 G-X2CrNiMoN22-5-3 |
AS 2074:2003 Grade 5A / 5B (Duplex) |
| High-Temperature Austenitic | ISO 17162:2016 GC X12CrNi25-21 |
ASTM A297 Grade HK-40 |
EN 10296-2:2005 X12CrNi25-21 |
AS 2074:2003 H10 Series |
| Cast Martensitic Stainless | ISO 17162:2016 GC X20Cr13 |
ASTM A743/A744 CA6NM |
EN 10283:2019 G-X20Cr14 |
AS 2074:2003 Grade 4A / 4B |
| High-Chromium Iron-Based | ISO 17162:2016 GC X30CrMoNi15-2 |
ASTM A743 CE30 |
EN 10283:2019 G-X30CrMoNi15-2 |
AS 2074:2003
H4 Series (28% Cr) |
Leesh Holdings:Stainless Steel Investment Casting Supplier
Custom Investment Casting
Leesh Holdings provides top Lost Wax Casting Manufacturer (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 Best Investment Casting Companies (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!
