Industry procurement solution · Reviewed 31 July 2026
Metals for Food Processing Equipment
Food-equipment metal selection combines hygienic design, product chemistry, cleaning regime, temperature, surface finish, drainability, welding quality, regulatory documentation, and maintainability.
Answer first
There is no single metal specification for an entire project
Divide the project into systems, document each service environment and governing code, then select compatible materials, product standards, fabrication routes, protection systems and inspection plans.
Direct product contact with acids, salts, fats, proteins, colorants, and variable temperatures
CIP, SIP, foam cleaning, disinfectants, hot water, steam, and repeated wet-dry cycles
Crevices, weld heat tint, surface damage, deposits, drainage failures, and external washdown
System map
Material and product selection by project system
| System | Selection drivers and alternatives | Reviewed starting points |
|---|---|---|
| Product-contact equipment and conveyors |
| Stainless sheet304L |
| Hygienic piping and valves |
| Stainless pipe316L |
| Tanks and process vessels |
| 316LStainless sheet |
| Heat exchange and thermal processing |
| 316L2205 |
| Structures, drainage, and washdown zones |
| 304316 |
Project control
Standards, certification and documents
- Applicable food-contact regulations for the destination and processed product
- EHEDG guidance, 3-A Sanitary Standards, and owner hygienic-design specifications where applicable
- Product and cleaning chemistry, temperature cycle, hygienic risk assessment, and equipment drawings
- Material certificates, weld maps, procedure and welder qualifications, borescope or visual records, and passivation records
- Surface-finish measurement method, cleaning validation, inspection plan, and turnover dossier
Fabrication and logistics
Package interfaces to control
- Fabrication drawings, welding, heat treatment, coating and repair procedures
- Inspection hold points, testing methods, acceptance criteria and document approval
- Identification through cutting and assembly, preservation, packing and consolidated shipping
- Destination rules, site storage, installation interfaces and delivery sequence
Risk register
Common procurement risks
Selecting stainless grade without product chemistry, cleaning agent, temperature, or hygienic-zone context
Unspecified weld finish, heat-tint removal, surface roughness method, crevices, and drainage
Assuming a generic material certificate proves food-contact compliance in every destination
Mixing fabrication tools, abrasives, or carbon-steel contamination into hygienic stainless work
Comparable offers
Structured RFQ checklist
Project location, service environment, design life, and governing codes
System or component, material grade, and governing product specification
Dimensions, tolerance, quantity, and delivery lot sequence
Condition, finish, coating, corrosion allowance, or cathodic-protection interface
Welding procedure, fabrication, heat treatment, and qualification requirements
Inspection and test plan, acceptance criteria, certificates, and third-party hold points
Marking, traceability, packing, preservation, and destination
Required delivery date, shipment terms, and approved-vendor constraints
Product-contact status, food chemistry, cleaning regime, hygienic standard, and surface-finish method
Evidence
Sources and review
Project engineering documents and current governing standards supersede this general selection map.
European Hygienic Engineering & Design Group · Guideline portfolio, reviewed July 2026
3-A Sanitary Standards · Standards portfolio, reviewed July 2026
ASTM International · A240/A240M-26
worldstainless · Industry technical guide, reviewed July 2026
Project sourcing from China
Build a traceable Food processing equipment supply package
Share the design basis, system list, specifications, quantities, inspection plan, destination and delivery schedule.