Custom Stainless Steel Investment Casting
Custom stainless steel investment casting, also known as precision lost-wax casting, is a manufacturing process that produces highly intricate, near-net-shape metal components with excellent surface finish and tight tolerances. This method is ideal for industries requiring corrosion-resistant, high-strength, and complex stainless steel parts, such as aerospace, medical, automotive, and industrial equipment.
Investment casting delivers superior dimensional accuracy (±0.005 in / ±0.127 mm) and allows for thin walls, fine details, and customized geometries that are difficult to achieve with machining or other casting methods.
Product Capabilities
Our stainless steel investment casting services offer:
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Premium Materials |
Precision & Repeatability |
Design Flexibility |
Secondary Operations Available |
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Stainless Steel Grades |
304, 316, 17-4PH, 2205 (Duplex), and more. |
Tolerances |
±0.005" (±0.127 mm) for critical dimensions. |
No draft angles required for certain designs. |
Machining, heat treatment, electro-polishing, plating, and welding. |
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Properties |
Corrosion resistance, high temperature tolerance, and mechanical strength. |
Surface Finish |
As-cast Ra 3.2 μm (machining available for Ra 0.8 μm). |
Wall thickness as low as 0.5 mm (0.02 in). Complex internal passages and undercuts achievable. |
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Material Comparison Table
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Property |
304 Stainless |
316 Stainless |
17-4PH (Precipitation Hardened) |
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Corrosion Resistance |
Excellent |
Superior (Mo-added) |
High (H900 condition) |
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Tensile Strength (MPa) |
515 |
520 |
1,310 (H900) |
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Max Operating Temp (°C) |
870 |
870 |
600 |
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Primary Use Cases |
General-purpose, food-grade |
Marine, chemical |
Aerospace, medical implants |
Why Customers Choose Us
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Advanced Manufacturing Process |
Quality Assurance |
Cost & Lead Time Efficiency |
Industry Compliance |
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Lost-wax casting ensures fine details and near-net-shape results. |
100% material traceability. |
Faster production compared to traditional machining (prototyping in 15 days). |
Certified to ISO 9001:2015, AS9100 (aerospace), ASTM A351 (medical-grade). |
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3D-printed wax patterns for rapid prototyping. |
Non-destructive testing (NDT): X-ray, fluorescent penetrant inspection (FPI), pressure testing. |
Tooling flexibility for low-to-high volume orders (from 100 to 100,000+ parts). |
Comparison: Investment Casting vs. Machining vs. Sand Casting
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Factor |
Investment Casting |
CNC Machining |
Sand Casting |
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Tolerance (mm) |
±0.127 |
±0.025 |
±1.0 |
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Surface Finish (Ra µm) |
3.2 |
0.8 |
12.5 |
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Lead Time |
3-6 weeks |
1-3 weeks |
4-8 weeks |
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Best For |
Complex, thin-walled parts |
High-precision simple parts |
Large, low-cost rough parts |
Customer Value
Performance & Reliability
High-strength, corrosion-resistant parts for harsh environments.
Design Freedom
Engineers can optimize complex geometries without manufacturing limitations.
Cost Savings
Reduced material waste vs. machining (up to 60% less scrap).
Lower per-part cost at medium-to-high volumes.
Speed & Scalability
Prototype to production in weeks, not months.
Contact Us Today for Custom Solutions!
Submit your CAD/3D files for a free DFM review + quote within 24 hours.
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