ISA®-Nickel-Alloys

Special materials for highly corrosive environments

In specialized industries such as the oil and gas industry, marine transport, and energy production, materials must function perfectly in highly corrosive environments. Isabellenhütte has developed ISA®-Nickel-Alloys for this sector.

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ISA®-Nickel-Alloys are the first choice when conventional stainless steels fail

Your main advantage: excellent corrosion resistance — even in aggressive environments such as seawater, salt solutions, fluorine compounds, and chloride-induced stress corrosion cracking.

Meticulous control of the melt composition and homogeneous distribution within the material structure directly result in the mechanical and physical characteristics.

Why is this alloy so resistant?
All variants contain at least 63 % nickel and 28–34 % copper. This combination ensures exceptional resistance and toughness – both at extremely low and high temperatures.

  • The base alloy with proven corrosion resistance: ISA®-Nickel 400
  • Increased sulfur content for improved machinability: ISA®-Nickel 405
  • Thermally curable – ideal for highly stressed components: ISA®-Nickel K500
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The product family at a glance

The ISA®-Nickel product range comprises three variants, which are available in rods, wires and ribbons: 

  • ISA®-Nickel 400 (Alloy 400, 2.4360)
  • ISA®-Nickel K500 (Alloy K-500, 2.4375)
  • ISA®-Nickel 405 (Alloy 405, 2.4363)

Highest quality for extreme requirements

To ensure these special properties, we manufacture ISA®-Nickel-Alloys exclusively in vacuum induction melted quality. This guarantees maximum purity, reliability, and the strictest manufacturing tolerances — ideal for use in harsh environments.

Compliance with standards: All products comply with international standards such as QQ-N-281, QQ-N-286, DIN 17743, ASTM B127, and ASTM B164.

We offer customizations upon request:

  • Heat and forming processes
  • Surface treatments
  • Final inspections such as ultrasonic testing

This ensures that you receive exactly the quality that your application requires.

Have we sparked your interest?

Contact us for customized solutions and expert advice.

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