Custom Gray Iron and Ductile Iron Investment Casting Foundry Parts
Let’s define your requirement
Send a product link, drawing or short brief. We’ll work through the details with you.
- Confirm the specificationGrade or model, size and intended use.
- Define your orderQuantity, finish or configuration, and samples.
- Agree the quotation scopeIncluded work, key checks and delivery needs.
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Surface FinishPainted , Polished
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Product nameCustom Casting Parts
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Materialgrey iron, ductile iron, steel, stainless steel, aluminum, copperApplicationIndustry, automotive, agriculture, aviation, construction, electrical
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Surface treatmentPainting, oxidation, polishing, electrophoresis, electroplating, etcDimensionsCustomized Sizes
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ToleranceCT4-CT6Quality ControlISO9001
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PackingCarton Wooden BoxProcessCasting, CNC, turning, milling, 5 Axis
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Drawing format2D(PDF/DXF/DWG)3D(STEP/IGS/PRT)
Customized gray iron and ductile iron investment casting parts are offered through a foundry service with CNC machining options. The component can be developed to custom dimensions, with casting and machining requirements defined separately. Gray iron and ductile iron are material choices to select against the part's function and required material specification.
Choose the material and application together
The wider material choices include steel, stainless steel, aluminum and copper as well as the two iron families. Application enquiries cover industrial, automotive, agricultural, aviation, construction and electrical parts. Identify the actual component and working duty so the chosen material is evaluated for that use, including any project-specific approval requirements.
Separate casting grades from machined dimensions
The casting tolerance range is CT4–CT6. Agree the applicable casting grade and dimensional acceptance for the drawing, then mark dimensions requiring CNC, turning, milling or 5-axis work. This keeps the casting requirement distinct from the additional machining needed for particular interfaces or surfaces.
Select the finish for the chosen metal
Surface options include painting, oxidation, polishing, electrophoresis and electroplating. Define the desired appearance and service conditions before selecting the treatment for the alloy. Mark treated surfaces and their acceptance criteria so finish requirements can be evaluated alongside the custom geometry.
Use consistent drawing and quality requirements
Drawing inputs include 2D PDF, DXF and DWG files and 3D STEP, IGS and PRT files. Quality control references ISO9001. Use a common drawing revision and specify the inspection records needed for the casting and machined dimensions so the enquiry has a clear acceptance basis.





