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Materials and Corrosion Protection Limited
Materials and Corrosion Protection Limited
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  • More
    • Home
    • Who we are
      • Our Values
      • Our Advantages
      • Our Business Ethics
      • Company Profile
      • ISO 9001 Quality Standard
    • What we do
      • Materials Engineering
      • Internal Corrosion
      • Cathodic Protection
      • CP Materials Supply
      • CP Remote Monitoring
      • Coatings
      • Integrity Management
      • Failure Investigation
    • Careers
    • Our Partner

EN

  • Home
  • Who we are
    • Our Values
    • Our Advantages
    • Our Business Ethics
    • Company Profile
    • ISO 9001 Quality Standard
  • What we do
    • Materials Engineering
    • Internal Corrosion
    • Cathodic Protection
    • CP Materials Supply
    • CP Remote Monitoring
    • Coatings
    • Integrity Management
    • Failure Investigation
  • Careers
  • Our Partner

Materials Engineering

A Rational Approach To Material Selection

A Rational Approach To Material Selection

A Rational Approach To Material Selection

Process of material selection

With the recent spate of material failures in the oil and gas industry around the world, the role of a material and corrosion engineer in selecting suitable material has become more complex, controversial and difficult. Further, the task had become more diverse, since now modern engineering materials offer a wide spectrum of attractive properties and viable benefits.

Concept Stage

A Rational Approach To Material Selection

A Rational Approach To Material Selection

Parameters for material selection

Material selection during the concept stage basically means the investigative approach for the various available material options for the intended function and application. In this stage, a key factor for the material selection is an up-front activity taking into consideration operational flexibility, cost, availability or sourcing and, finally, the performance of the material for the intended service and application.

Detailed Engineering Stage

A Rational Approach To Material Selection

Detailed Engineering Stage

material selection diagrams during design

Materials selection during the detailed design stage becomes more focused and specific. The material selection process narrows down to a small group or family of materials, say: carbon steels, stainless steels, duplex stainless steels, Inconels or Incoloys, etc. In the detail design stage, it narrows down to a single material and other conditions of supply like Austenitic stainless steels, Martensitic stainless steels, cast materials, forged materials, etc

Failure Prevention

Failure Prevention

Detailed Engineering Stage

identify the threats for material selection

Material selection and the sustainability of material to prevent any failure during the life of the component is the final selection criterion in the process.

Failure is defined as an event where the material or the component did not accomplish the intended function or application. In most cases, the material failure is attributed to the selection of the wrong material for the particular application. Hence, the review and analysis of the failure is a very important aspect in the material selection process to avert any similar failures of the material in future.

Notes

Failure Prevention

Conclusion

Material selection process for various services

Notes: CA: Corrosion Allowance, CS: Carbon Steel, CRA: Corrosion Resistant Alloy and GRP: Glass Reinforced Plastics. The recommendations in the table above are for guidance only. Each pipeline is to be analyzed on a case-by-case basis based on operating conditions and fluid compositions.

Conclusion

Failure Prevention

Conclusion

field layout details

To maintain the integrity of the asset and provide a safe, healthful working environment it is always a welcome event to have the material selection process be executed as a holistic team approach rather than an individual metallurgist’s or corrosion specialist’s choice.






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