Custom GGG40 GGG50 GGG60 Iron Shell Frame Sand Castings with CNC Machining and Dacromat Painting Enquiries
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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Product NameManufacturer Factory Oem Metal Part Metal Cast Iron Shell Sand Casting
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Material GradeGGG40, GGG50, GGG60 etc. As customers requestBlank ProcessSand casting , cast iron
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Casting ToleranceCT9-11 for frame sand castingMachining ProcessCNC Machining , DRILLING , Milling, boring, Tapping etc.
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Machining TolearnceUp to IT7, Ra 0.8~3.2 , according to customer requirementSurface TreatmentDacromat Coating, Finish Painting etc. As customers request
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Package for sand iron castMultilayer wooden box with big plastic bag insideLead Time50 days for frame sand casting
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Our Serviceframe sand casting
Custom iron shell- and frame-sand casting enquiries include GGG40, GGG50 or GGG60 grade selections. Define the actual drawing and required supplied condition for the component. CNC machining can be assigned to the interfaces that need finished dimensions and a controlled surface.
Separate frame casting from machining acceptance
The frame sand-casting tolerance reference is CT9–11. Machining is referenced up to IT7, with Ra0.8–3.2 according to customer requirements. Identify the affected dimensions, roughness unit and measurement basis for each selected requirement, keeping cast and finished-stage acceptance distinct.
Locate the operations on the drawing
Named work includes CNC machining, drilling, milling, boring and tapping. Show mounting faces, fitted openings and the datum system controlling their relationships. Where the part has both cast and machined areas, mark the boundaries and any allowance information needed to explain the final geometry.
Specify coating and delivered surface
Dacromat coating and finish painting are named requests. Provide the selected coating requirement, coverage and masking at fitted or contact areas. Connect visual and dimensional approval to the condition in which the shell or frame is supplied.
Protect the accepted interfaces
Packing uses a multilayer wooden box with a large plastic bag inside. State protection needed at finished faces and edges, alongside quantity and the controlled revision. Agree material, dimensional and surface records for sample and production approval so the order remains tied to the selected grade, machining scope and final component condition.





