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CWI Alloys for Corrosion Resistance

As a company that manufactures wire for numerous industries, having a range of alloys that are specifically catered to prevent corrosion is crucial to ensure our customers can find exactly what they need. First, it’s important to understand why metals can corrode.  

Metals can corrode for numerous reasons, especially in harsh conditions. Examples of typical metal corrosions include metal reacting with a substance like oxygen or hydrogen, or a metal being placed under too much stress causing the material to crack.  

At CWI we have the corrosion resistant metal alloys you need to ensure long-lasting performance even in the harshest of conditions. Our research and years of manufacturing experience promise materials that can withstand corrosive environments.  

Today’s Challenges

Rust

As industries around the world push for higher and higher levels of performance in their materials, metallurgists continue to develop new and exciting alloys to meet today’s challenges. Regardless of the environment, strain, or temperature that today’s specialty metals need to operate in, there are choices available to engineer a range of solutions in a variety of applications.  

Combining the global resources of the Central Wire Group of Companies, with our Metallurgical knowledge and manufacturing experience, we can provide the highest quality solutions, including the right alloy for your application every time.  

Main Industries

Oil and Gas Pumping Unit
Miniere

Many industries that we serve provide harsh conditions that lead to corrosion risks. Toxic environments, extreme weather, damp settings and more can lead to materials corroding, and eventually damage or malfunction.  

The industries we serve that present these challenges include: 

  • Petrolio e gas 
  • Marina 
  • Nuclear 
  • Petrochemical 
  • Miniere 
  • Agricoltura 
  • Costruzione 
  • …and more! 

Our Corrosion Resistant Metals

Corrosion resistance in a stainless steel or nickel alloy can provide superior performance and extend the working life of a product. Here come are suggested alloys for harsh environments, along with their chemical compositions. 

Acciaio inox

904L 

La serie CWI 904L è un acciaio inossidabile austenitico a basso tenore di carbonio e alta lega, progettato per una resistenza alla corrosione da moderata a elevata in un'ampia gamma di ambienti di processo.  

UNS N08904 – Cr: 19.0%-23.0%, Mo: 4.0-5.0%, Ni: 23.0-28.0%, CU: 1.0-2.0% 

Nickel Based

Monel® 400 

La serie speciale Monel 400 di CWI Nickel è una lega di nichel-rame con una resistenza superiore alla corrosione in un'ampia gamma di materiali.  

UNS N04400 – Ni: 63.0-70.0% and Cu: 28.0-34.0% with full chemistry to ASTM B164 

Monel® K500 

CWI Nickel Specialty Series Monel K500 è una lega di nichel-rame indurente per precipitazione che combina la superiore resistenza alla corrosione della lega 400 con una maggiore resistenza e durezza.  

UNS N05500 – Al: 2.3-3.15%, Ni: 63.0-70.0%, Ti: 0.35-0.85% and Cu: 27.0-33.0% with full chemistry to ASTM B865 

Inconel® 625 

CWI Nickel Specialty Series Inconel 625 è una lega a base di nichel utilizzata per la sua elevata resistenza e per l'eccezionale resistenza alla corrosione.  

UNS N06625 – Cr: 20.0-23.0%, Mo: 8.0-1.0% Ni: 58.0% min and Cb: 3.15-4.15% 

Inconel® 825 

CWI Nickel Specialty Series Inconel 825 is an austenitic nickel-iron-chromium alloy with addition of molybdenum and copper. It has excellent resistance to both reducing and oxidizing environments. UNS N08825 – Cr: 19.5-23.5%, Cu: 1.5-3.0%, Mo: 2.5-3.5%, Ni: 38.0-46.0% and Fe: Balance with full chemistry to ASTM B425 

X750 

CWI Specialty Series Alloy X750 is a precipitation hardenable nickel-chromium alloy used for its corrosion and oxidation resistance at temperatures to 1300°F (704°C).  

UNS N07750 – Al: 0.40-1.0%, Cb: 0.70-1.20%, Cr: 14.0-17.0%, Fe: 5.0-9.0%, Ni: 70% min and Ti: 2.25-2.75% with full chemistry to AMS 5698 

C276 

La serie C276 di CWI Nickel Prime è una lega di nichel-molibdeno-cromo rinforzata in soluzione solida con una piccola quantità di tungsteno, che presenta un'eccellente resistenza alla corrosione in un'ampia gamma di ambienti aggressivi.  

UNS N10276 – Cr: 14.5-16.5%, Fe: 4.0-7.0, Mo: 15.0-17.0% and balance Nickel, per ASTM B574  

MP35N 

CWI Nickel Prime Series MP35N®* is a multi-phase, nickel-cobalt based alloy that has a unique combination of ultrahigh tensile strength, good toughness and excellent corrosion resistance.  

UNS R30035 – Cr: 19.0-21.0%, Mo: 9.0-10.5%, Ni: 33.0-37.0% and Co: Balance per AMS 5844 

Lega 20 (20Cb3)  

CWI Nickel Prime Serie 20 (20Cb3) è una lega austenitica a base di ferro con un'eccezionale resistenza alla corrosione in diversi ambienti. Offre inoltre un'eccellente resistenza all'acido solforico caldo.  

UNS N08020 – Cr: 19.0-21.0%, Cu: 3.0-4.0%, Mo: 2.0-3.0%, Ni: 32.0-38.0% and Cb: 8xC – 1.0% with full chemistry to ASTM B471, B473 and B475 

The above alloys exhibit excellent corrosion resistance in a range of environments and should be considered for your next challenging application. For more information on which alloys are right for your next project, don’t hesitate to reach out to our talented sales team at [email protected].  

Contatto

Our team of experts is here to help choose the right material for your project every time. We aren’t just manufacturers, we’re industry experts who are here to make putting your project into action easy. Visit our website qui for full alloy lists and breakdowns, as well as helpful data sheets and more! 

If you’re ready to invest in corrosion resistant materials to tackle your next project, Request a Quote with us today! 

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