Iron Castings
Iron castings covers UK iron foundries pouring grey iron, ductile (SG/nodular) iron, austempered ductile iron (ADI) and Ni-Resist across sand casting, shell moulding and lost foam. Suppliers here take a CAD model or drawing and produce anything from single prototype castings to scheduled production batches, typically with machining, heat treatment and coating handled in-house or through trusted partners.
UK iron castings suppliers
Iron castings covers UK iron foundries pouring grey iron, ductile (SG/nodular) iron, austempered ductile iron (ADI) and Ni-Resist across sand casting, shell moulding and lost foam. Suppliers here take a CAD model or drawing and produce anything from single prototype castings to scheduled production batches, typically with machining, heat treatment and coating handled in-house or through trusted partners.
- You need parts with high compressive strength, damping or wear resistance (housings, brackets, gearboxes, pump bodies, machine bases)
- You are moving from fabrication to casting to save cost or weight at volume
- You need EN-GJL grey iron or EN-GJS ductile iron to a specific grade
- You need machined-and-painted castings supplied ready to fit
- ISO 9001 as a baseline, IATF 16949 for automotive, PED for pressure parts
- In-house pattern making or a trusted pattern shop, plus 3D-printed sand capability for prototypes
- Material certs (EN 1561 grey iron, EN 1563 ductile iron) and spectro on every heat
- NDT on request: MPI, dye penetrant, ultrasonic and radiography for critical parts
- Realistic minimum order values and honest lead times on tooling and first-off castings
Common questions about Iron Castings
Prototype castings using 3D-printed sand moulds typically ship in 3 to 6 weeks. Tooled production castings take 8 to 14 weeks for pattern build and first-off sampling, then 4 to 8 weeks per repeat batch depending on machining.
Grey iron (EN-GJL) is cheaper and damps vibration well, ideal for machine bases and housings. Ductile iron (EN-GJS) has much higher tensile strength and elongation, so it is the default for load-bearing or safety-critical parts.
Yes. Many UK iron foundries take orders from single prototypes upwards using existing tooling or printed sand. Below 50 to 100 parts per year, expect a per-part premium; above that, tooled production is usually cheaper.