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Flexible casting route for custom parts

Sand Casting Services for Custom Metal Parts

Sand casting is often a practical route for larger parts, lower to medium quantities, thicker walls, cast iron, ductile iron, cast steel, aluminum, and parts where tooling cost must stay reasonable.

The key is to review the drawing before choosing the sand casting route. We look at material, wall thickness, cores, shrinkage risk, machining allowance, surface requirement, and inspection points before quotation.

Sand Cast Parts We Review

Pump housings and valve bodiesFluid parts where sealing faces, ports, and machining allowance matter.
Gearbox and motor housingsHousing castings with bearing seats, flat faces, holes, and assembly areas.
Machine frames and basesLarger structural castings with mounting surfaces and load areas.
Brackets and support partsParts that need stable shape, hole position, and machined installation surfaces.
Cast iron and ductile iron partsGray iron, ductile iron, and other ferrous casting grades.
Low-volume custom partsProjects where the buyer needs practical tooling cost and flexible production quantity.

Buyer Questions Before RFQ

When should buyers choose sand casting?

Sand casting is practical for larger parts, lower-volume projects, cast iron or cast steel parts, and designs where tooling cost or part size makes die casting unsuitable.

What should be reviewed for a sand casting RFQ?

Review material, wall thickness, ribs, bosses, machining allowance, datum faces, shrinkage risk, surface requirement, inspection scope, and whether a pattern or tooling plan is needed.

Can sand cast parts be delivered fully machined?

Yes. Sand cast parts can be supplied as raw castings or as machined cast components with inspection, finishing, packing, and export delivery support.


What We Check Before Sand Casting

Sand casting can be flexible, but the drawing still needs careful review before pattern or mold work begins.

  • Material grade, part size, wall thickness, weight range, and working condition.
  • Pattern, core, parting line, draft, feeding, shrinkage risk, and deformation risk.
  • Machining allowance for bearing seats, sealing faces, holes, threads, datum surfaces, and flat mounting areas.
  • Surface finish expectation, cleaning, shot blasting, coating, painting, or other finishing requirements.
  • Inspection needs such as dimensional report, material report, hardness, leakage test, pressure test, or X-ray if required.
  • Packing and protection for machined faces, coated surfaces, and heavy cast parts.

Sand Casting Details Buyers Usually Check

These references show the kind of part shapes and machining features that often make sand casting suitable for custom projects.

Sand cast pump housing with ports and machined surfaces

Sand cast pump housingPump housing shape where ports, sealing faces, and machining allowance need review.
Sand cast casing with machined surfaces

Large casing surfacesLarger casing parts often need allowance and deformation review.
Sand cast frame with mounting faces

Frame castingFrames and bases need mounting face and hole-position planning.
Sand cast waterproof housing with sealing edge

Housing sealing edgeSealing areas should be checked before machining and finishing.
Sand cast valve housing with flange and port features

Valve housingValve housings need port, flange, and sealing surface review.

Images are existing part references from the site media library. They support RFQ review and are not presented as customer-disclosed project photos.

What to Send for a Sand Casting RFQ

A sand casting RFQ should explain both the casting shape and the final machined part requirement.

  • Drawing, model, material grade, part weight or size, and application.
  • Machined surfaces, tolerance notes, holes, threads, roughness, and sealing areas.
  • Quantity for sample, trial order, repeat production, and any tooling preference.
  • Inspection, surface treatment, painting, packing, and delivery requirements.

Related Pages for Buyers

These pages help buyers compare the casting route, machining work, material choice, and similar project references before sending an RFQ.

Send the drawing, material, quantity, key dimensions, machined areas, and inspection requirements. We will review the practical casting and machining route before quotation.

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