metals.wiki
Source a material

Industry procurement solution · Reviewed 10 August 2026

Metals for Nuclear Power Facilities

Nuclear-facility metal procurement follows the approved design authority, safety classification, qualification route, configuration control and regulatory framework. Commercial steel, stainless or aluminum products are not nuclear-qualified or safety-system-approved merely because a mill certificate is supplied.

01 Service environment02 System requirements03 Codes & documents04 Inspection & delivery

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.

01Service environment

Safety classification, licensing, configuration and supplier-approval controls

02Service environment

Pressure-temperature, radiation, water chemistry, corrosion and ageing conditions defined by the approved design

03Service environment

Strict documentation, identification, preservation and controlled change through the supply chain

System map

Material and product selection by project system

SystemSelection drivers and alternativesReviewed starting points
Safety-classified items
  • Use only the project-approved qualification, procurement and acceptance route; a generic commercial product page is not a qualification basis.
  • Do not release procurement until the approved specification, configuration, inspection and traceability controls are complete.
Stainless pipeCarbon steel pipe
Conventional structures and enclosures
  • For non-safety scope, define the approved structural design, material specification, coating, inspection and boundary to nuclear systems.
  • Do not release procurement until the approved specification, configuration, inspection and traceability controls are complete.
Carbon steel plateStainless sheet
Utility and process interfaces
  • Confirm fluid, pressure, temperature, corrosion, cleanliness, welding and test requirements from the approved system specification.
  • Do not release procurement until the approved specification, configuration, inspection and traceability controls are complete.
Stainless pipeCarbon steel pipe
Records and change control
  • Maintain material identity, certificates, inspections, nonconformance disposition and design-authority approvals through turnover.
  • Do not release procurement until the approved specification, configuration, inspection and traceability controls are complete.
Stainless sheet

Project control

Standards, certification and documents

  • Approved design, safety classification, procurement specification and supplier-approval route
  • Configuration baseline, material certificates, inspection/test plans and controlled change records
  • Applicable regulator, owner and nuclear-quality documentation requirements

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

01

Treating commercial material certificates as nuclear qualification

02

Supplying without safety classification or configuration identification

03

Substituting material, process or supplier outside approved change control

Comparable offers

Structured RFQ checklist

01RFQ input

Approved design authority, classification, governing code and supplier-approval status

02RFQ input

Exact part/product form, material specification, condition, dimensions and configuration identification

03RFQ input

Traceability, certificates, test records, inspection hold points and change-control requirements

04RFQ input

Fabrication, special process, packaging, preservation, destination and delivery-document requirements

Continue researching

productStainless Steel Pipe

A specification guide to seamless and welded stainless pipe for pressure and process service, with schedule, dimensions, heat treatment, testing, and end requirements.

productCarbon Steel Plate

A practical guide to structural, pressure-vessel, and HSLA steel plate, separating grade identity from product specification, delivery condition, testing, and dimensional tolerances.

materialStainless Steel

Stainless steels are iron-based alloys whose chromium supports a protective passive film. Family, alloy content, product specification, condition, fabrication, surface state, and service environment all affect selection.

Evidence

Sources and review

Project engineering documents and current governing standards supersede this general selection map.

01
Suitability Evaluation of Commercial Grade Products for Use in Nuclear Power Plant Safety Systems

International Atomic Energy Agency · IAEA-TECDOC-2034, 2023

02
Nuclear Contracting Toolkit

International Atomic Energy Agency · Nuclear-procurement process resource

Project sourcing from China

Build a traceable Nuclear power facilities supply package

Share the design basis, system list, specifications, quantities, inspection plan, destination and delivery schedule.

Discuss the project