Industry

Energy manufacturing

Source forged, machined, welded and cast components for energy equipment — power generation, oil and gas, and grid infrastructure — with the documentation these projects demand.

Documentation
EN 10204 3.1 / 3.2, ITP, NDT
Typical codes
PED, ASME VIII / IX
Typical materials
Carbon, duplex, nickel alloys
Typical volumes
Project-based, low to medium

Overview

Energy projects place high demands on materials and documentation. Components often run under pressure, high temperature or corrosive conditions, so buyers specify exact grades, heat treatment, non-destructive testing and full material traceability. Parts range from large forgings and welded structures to precision-machined valve and turbine components.

Türkiye supplies power generation, oil and gas and grid projects in Europe, the Middle East and Central Asia. Its manufacturing base includes forging, heavy machining, pressure-equipment fabrication and NDT services.

On Metraxio you set out materials, codes and documentation requirements alongside the drawing. The platform assesses facility fit on those criteria and keeps gaps visible, so qualification decisions are based on evidence.

Typical parts & components

  • Flanges, forged rings and fittings
  • Valve bodies, bonnets and trim parts
  • Turbine and generator components
  • Pressure-vessel parts and piping spools
  • Structural steel for plants and substations
  • Heat-exchanger components
  • Busbars and copper conductors

The processes, materials and requirements below are an editorial reference of what is typical for energy programs — not a statement about facilities in the Metraxio network.

Common manufacturing processes

Typical materials & grades

Certifications & compliance

What buyers in this industry commonly ask suppliers for. Exact requirements depend on the program, customer and part.

Supplier certifications

  • ISO 9001 Typically required

    Typically required baseline for energy projects.

  • ISO 3834 Common

    Welding quality for pressure and structural welding.

  • ISO 14001 Common

    Often requested by utilities and EPC contractors.

  • ISO 45001 Common

    Often requested by utilities and EPC contractors.

  • API Spec Q1 Sometimes requested

    Oil and gas equipment manufacturing.

  • ASME U Certificate Sometimes requested

    ASME stamped pressure vessels.

Standards & regulations

  • EN 10204 Type 3.1 Typically required

    Typically required for metallic components.

  • EN 10204 Type 3.2 Sometimes requested

    Critical parts needing independent verification.

  • Pressure Equipment Directive (PED) Common

    Pressure equipment placed on the EU market.

  • ASME BPVC Section IX Common

    Welding procedure and welder qualification.

  • ASME BPVC Section VIII Sometimes requested

    Pressure vessels built to ASME.

  • NACE MR0175 / ISO 15156 Sometimes requested

    Sour-service oil and gas applications.

Quality & documentation

  • Material certificates to EN 10204 3.1, and 3.2 where third-party verification is required.
  • Inspection and test plans (ITP) agreed before production.
  • Welding procedure qualifications (e.g. ASME IX or ISO 15614) and welder qualifications.
  • NDT reports (UT, RT, MT, PT) as specified.
  • Heat-treatment records and hardness reports.
  • Final dossiers with full traceability.

Typical tolerances & surfaces

  • Sealing faces and valve seats: typically ±0.01–0.05 mm with flatness and roughness requirements.
  • Flange faces: finish per the flange standard, commonly Ra 3.2–6.3 µm for gasket seating.
  • Large machined forgings: tolerances per drawing, with machining allowances agreed at forging stage.

Sourcing from Türkiye

Türkiye combines a deep contract-manufacturing base with short routes into Europe. Industrial goods move between Türkiye and the EU under the customs union, so buyers typically avoid EU import duties on qualifying parts.

  • Many European destinations can be reached by road within several days; actual transit depends on origin, destination, customs handling and cargo.
  • Common delivery terms are EXW, FCA and DAP; Metraxio keeps the agreed Incoterm attached to the quotation and order.
  • Third-party inspection (e.g. for 3.2 certificates) can be arranged at the supplier before shipment.

How Metraxio qualifies suppliers

Every request is checked against each facility's structured profile before any supplier is invited.

  • Hard criteria: the required processes, exact material grade, applicable codes (e.g. PED, ASME), NDT capability and required certifications.
  • Missing data is not a rejection. If a facility profile does not yet state something, the result is "Needs More Information" rather than "Not Qualified".
  • No match yet? You can continue with Managed Sourcing and the Metraxio team runs supplier discovery for you.
  • Facility identities stay anonymous during the technical assessment.

Example project

How a typical request moves through Metraxio

Duplex 2205 machined valve components — 40 pcs with 3.1 certificates.

  • The buyer uploads drawings specifying duplex stainless 2205, dye-penetrant testing and EN 10204 3.1 certificates.
  • Metraxio structures the requirement: CNC machining, duplex stainless, NDT, documentation.
  • The fit assessment shows which facilities have machining and NDT capability for duplex.
  • The buyer invites qualified facilities to quote, with the required documentation attached to the RFQ.
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Frequently asked questions

When do I need 3.2 instead of 3.1 certificates?

EN 10204 3.2 adds verification by an independent inspector or the purchaser. It is typically requested for critical pressure-bearing or safety-relevant parts.

Can suppliers work to ASME codes?

Some facilities build to ASME Section VIII and qualify welding to ASME IX; stamped vessels require an ASME U certificate. State the code in your requirement.

What about sour-service materials?

For oil and gas applications with H2S, NACE MR0175 / ISO 15156 defines material and hardness requirements. Include it as a requirement so it is assessed.

Can third-party inspection be arranged?

Yes. Inspection points can be agreed in the inspection and test plan, including witness or hold points before shipment.

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Start a Manufacturing Project

Describe your energy part, attach drawings and see which facilities are a technical fit before you request quotes.