From prototypes with one piece to series production. From 1 to infinite piece.

Responsibility for your series production?
We bear it.

Because we guarantee that everything works smoothly.

Conscientious quality assurance is part of our daily work and an essential part of the Oesterle DNA. After we serve customers from a wide variety of industries, we align the scope and type of quality assurance comprehensively based on customer requirements. From the standard incoming goods inspection to the 100% serial in-house X-ray inspection, we have the right answer to all our customers‘ questions and requirements!

Standard process

  • Incoming goods inspection
  • Test report
  • Material certificate (spectral analysis)
  • Upon customer specification
    – X-ray inspection
    – Crack testing
    – Coating inspection
    – Proof of heat treatment
    – PPAP
    – Etc.

Quality Assurance & Full Traceability

Every heat and every casting undergoes comprehensive testing and inspection procedures to ensure the highest quality standards and full compliance with customer specifications.

1 Spectrometric chemical analysis, tensile testing, hardness testing and Charpy impact testing, including testing at cryogenic temperatures. Chemical & Mechanical Testing 2 Performed by Level II/III certified personnel using Radiographic Testing (RT), Ultrasonic Testing (UT), Magnetic Particle Testing (MT) and Penetrant Testing (PT). Non-Destructive Testing (NDT) 3 EN 10204 Type 3.1 and 3.2 certification with complete traceability from raw material to finished casting. Certification & Traceability 1 Spektrometrische Schmelzenüberwachung sowie Zug-, Härte- und Kerbschlagbiegeversuche, auch im kryogenen Bereich. Chemische & mechanische Analysen 2 Durchgeführt von Level-II/III-zertifiziertem Personal mittels Röntgenprüfung (RT), Ultraschallprüfung (UT), Magnetpulverprüfung (MT) und Eindringprüfung (PT). Zerstörungsfreie Prüfung (NDT) 3 Standardmäßige Bereitstellung von Abnahmeprüfzeugnissen nach EN 10204 3.1 und 3.2, vom Rohmaterial bis zum gestempelten Endprodukt. Zertifizierung & Rückverfolgbarkeit

9 Marine Classification Certificates

Approved by the world’s leading marine classification societies.

  • ABS – American Bureau of Shipping
  • BV – Bureau Veritas
  • DNV-GL – Det Norske Veritas
  • LR – Lloyd’s Register
  • NK – Nippon Kaiji Kyokai
  • RINA – Registro Italiano Navale
  • RS – Russian Maritime Register of Shipping
  • KR – Korean Register
  • CCS – China Classification Society

Inspection solutions at the highest level

With our new X-ray system XRH 222-S from a worldwide leading specialist VisiConsult our DIN EN ISO 9712 certified staff offers you inspection solutions at the highest level. With the generated electrical power of up to 225 kV current voltage, it is possible to screen steel up to 25mm wall thickness.

The core of the system is the Xplus X-ray image processing system for non-destructive testing (ZfP / NDT). Here, the focus is on maximum inspection efficiency with the highest image quality (e.g., 5-axis manipulator, live video technology).

Qualitätsprüfung Röntgenanlage
Qualitätsprüfung Härteprüfung
Qualitätsprüfung Messmaschine

Guaranteed safety through state-of-the-art
testing technology

As usual, our in-house quality control offers you guaranteed safety through state-of-the-art testing technology. Our 3D- coordinate measuring (Keyence) machine as well as our Vickers HV hardness tester also enable the highest standards in the testing of all components.

The Oesterle GmbH team will be happy to assist you with technical process support and provide expert advice on the development of your projects.

Get in touch with our contact persons.

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Oesterle GmbH and Oesterle Solutions UG (haftungsbeschränkt) are members of the DGZfP (Deutsche Gesellschaft für zerstörungsfreie Prüfung e.V.). Non-destructive testing is an important measure for the quality assurance of materials and is therefore used by us