01
Start with the material callout
Record commercial grade, UNS, required product form, and the applicable material standard.
RTI procurement resource
Alloy Material Identification for Buyers and Quality Teams
Alloy identification must relate the ordered material designation to product form, standard, heat traceability, marking, inspection documentation, and the approved verification method. This guide explains how a buyer can prepare a disciplined identification plan using UNS references, MTC review, PMI planning, and physical marking reconciliation without presenting a visual check or isolated test result as proof of final compliance.
Working method
Use the checklist to create a technical record before issuing the RFQ.
Working method
Four controls before technical quotation.
Technical checklist
What to make explicit in the order.
Grade and UNS
Both identifiers reduce ambiguity and should match the project callout.
Product form
Forging, fitting, bar, plate, pipe, or tube routes may follow different material standards.
Heat traceability
Heat numbers should connect the certificate to the actual supplied component or controlled lot.
PMI scope
Specify when and how identity is verified, especially for mixed alloy packages or critical service.
Document controls
Release evidence should match the order.
MTC
The certificate should show material identity, product form, standard, heat number, and test results relevant to the ordered route.
PMI report
Confirm item or lot identification, method, scope, result, date, and authorizing party.
Marking record
Where required, use photos or inspection records to tie permanent marking to the release dossier.
Buyer questions
Frequently asked questions.
Ready to define an order?
Prepare a technical quotation request.
Use the advanced RFQ to capture the component, material, standards, dimensions, inspection, documents, packing, and destination requirements in one reviewable form.
