Custom Ductile-Iron and Grey-Iron Sand Castings for Industrial Machinery — OEM/ODM Drawing-Based Parts
Direct factory support
Get a quote that fits your project
Send your drawing or product reference, material grade and required quantity. Relia will review the requirements with you.
- Drawing & specification review
Confirm the supply scope and critical requirements.
- Samples before custom production
Review inspected samples before approving a batch.
- Inspection documents
Agree material and dimensional records for your part.
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MaterialDuctile Iron & Grey iron
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ApplicationIndustry MachineryProcessSand casting
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ServiceOEM\ODMCertificationISO9001
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DimensionsCustomized SizesQuality Control100% Inspected /ISO9001 System
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ToleranceCustomer's Drawing Request
Industrial machinery components can be ordered as custom ductile-iron or grey-iron sand castings. This OEM/ODM enquiry follows customer dimensions and drawing tolerances, with 100% inspection stated under an ISO9001 system. Select the iron family and define the component before requesting the casting.
Choose the iron family for the machinery design
Identify whether the part specification requires ductile iron or grey iron and name the actual grade. Include its governing material standard and the operating duty relevant to the design. Keeping the chosen material consistent across the drawing and purchase request gives the technical review a clear reference.
- Identify the industrial machinery component to be supplied.
- Provide the controlling drawing and revision.
- Select ductile or grey iron and the required grade.
- State the quantity and delivered condition.
- Mark dimensions that determine assembly or function.
- Define the inspection methods and acceptance limits.
- Identify the supplier documentation required for purchasing.
Use drawing tolerances to define acceptance
Place the required dimensional limits on the interfaces that matter to the component. Customized size should describe the actual geometry, while tolerance requirements establish how that geometry will be accepted. Identify any surfaces requiring a particular delivered condition so the quotation addresses the component as it will be used.
Set the scope of the stated inspection
Agree the characteristics and checks covered by the 100% inspection statement for the order. Material and dimensional records should be tied to the selected grade and drawing. ISO9001 is the stated qualification reference; identify the relevant supplier-document scope alongside those technical requirements. This creates a defined acceptance basis for the individual machinery casting.





