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Describe the service
Capture medium, concentration or contaminants where relevant, phases, flow, deposits, chlorides, hydrogen sulfide, cleaning, and external exposure.
RTI procurement resource
Material Selection Guide for Alloy Component Procurement
A useful material-selection brief starts with the service condition, not a preferred alloy label. This guide helps procurement teams assemble the process medium, contaminants, temperature, pressure, corrosion concern, product form, dimensional route, standards, inspection, and certificate controls that a qualified engineering review requires, while preserving the distinction between an early screening comparison and project approval.
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.
Environment
Internal medium, external exposure, contaminants, concentration, velocity, deposits, and cleaning.
Design
Temperature, pressure, cycles, flange class, facing, bore, schedule, and drawing-controlled geometry.
Manufacture
Product form, welding or fabrication route, heat treatment or condition where applicable, and inspection plan.
Approval
Responsible engineering decision, substitution control, certificate, PMI, TPI, and release documentation.
Document controls
Release evidence should match the order.
Selection record
Keep the approved material basis connected to the project revision and purchase order.
Comparison output
Use tool output as a discussion aid, not as approval for a particular installation.
Order requirements
Carry the final material decision into UNS, standard, inspection, testing, marking, packing, and documentation controls.
Related buyer tools
Continue the procurement workflow.
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.
