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Casting Manufacturing FAQs

Find answers to frequently asked questions about casting materials, OEM services, custom manufacturing, machining processes, quality inspection, lead time, and international shipping. This FAQ page helps buyers understand our casting solutions and cooperation process more efficiently.

FAQ Category

Technology & Process

  • Q Can you cast complex internal channels or thin-walled structures?

    A Yes. Investment casting excels at complex geometries. Minimum wall thickness can be as low as 0.5 mm (material-dependent), and hollow structures are achievable.

  • Q Which materials are suitable for investment casting?

    A Common materials include stainless steel, alloy steel, carbon steel, copper alloy, etc. Material certification is available.

  • Q What is the maximum/minimum casting size and weight range?

    A Typical products range from 100 grams to 600 kilograms in weight.

  • Q What dimensional accuracy and surface roughness can be achieved?

    A Typical dimensional tolerance can reach CT4-8 (Chinese GB standard), and surface roughness can achieve Ra 3.2-6.3 μm, depending on the material and part geometry.

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