Material selection connects performance, manufacturing and the operating environment. A family name is only the start: the grade, temper, product form and processing history can change how the finished part behaves.
Explore each materialDescribe static and repeated loads, sliding contact, temperature, moisture, process fluids and cleaning agents. Separate product-contact components from structural parts. Use supplier data for the exact grade and representative trials where the application remains uncertain.
A material suitable for a machined prototype may need a different grade for moulding or welding. Include surface treatment, heat treatment, assembly and tolerances in the selection. Properties stated for raw stock do not automatically describe a finished assembly.
Record the material designation, supplier documentation and any restrictions on substitutions. For food-contact, biomedical or chemically demanding applications, specify the required evidence with the customer’s responsible specialists; generic material labels alone do not establish suitability.
Select carbon and structural steels for custom machine frames, shafts and brackets with grade, stock condition, joining, corrosion protection and inspection defined.
Read the guide: Carbon steel for machine frames and componentsReview stainless grades such as 304 and 316 for machine and process parts: exposure, welding, cleanability, surface condition and grade documentation.
Read the guide: Stainless steel for custom machines and process equipmentChoose aluminium for frames, plates and housings with alloy, temper, product form, machining, welding, finish and functional interface requirements.
Read the guide: Aluminium alloys for machine structures and housingsSelect tool steel around wear, chipping, toughness, treatment, finishing and the inspection needed for tooling or a specific machine interface.
Read the guide: Tool steel for tooling and wear componentsSpecify copper and brass components by alloy, conductivity needs, machinability, joining, contact environment and supplier documentation.
Read the guide: Copper and brass in mechanical device designCompare gray and ductile cast iron for machine components with grade, stock route, loading, section geometry, machining and inspection defined.
Read the guide: Cast iron for machine housings and structural partsEvaluate POM/acetal for machined guides, rollers and device parts: grade, sliding interface, temperature, cleaning, dimensions and material evidence.
Read the guide: POM and acetal for guides and mechanical partsSpecify nylon parts with grade, cast or extruded stock, moisture conditioning, fit, loading and the environment relevant to a machine or device.
Read the guide: PA and nylon for mechanical componentsAssess PEEK grades for temperature, chemical exposure and mechanical interfaces with processing, documentation and application-specific verification.
Read the guide: PEEK for demanding mechanical device applicationsReview PTFE components using exact grade, fillers, load, dimensional restraint, exposure and the functional requirements of a seal or sliding interface.
Read the guide: PTFE for seals, sliding and process interfacesSelect UHMW-PE for conveyor guides and sliding components with exact grade, support, wear contact, expansion allowance and process exposure defined.
Read the guide: UHMW polyethylene for guides and wear stripsSelect elastomer seals by compound, fluid compatibility, temperature, motion, compression and supplier evidence instead of relying on a rubber family name.
Read the guide: Elastomers and seals for machine interfacesThese notes support an initial engineering discussion. Material grades, manufacturing routes, dimensions and acceptance criteria are selected for the actual application and confirmed in the project specification.
A short description, sketch or process video is enough to start the conversation.
