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Company news about YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels

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YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels

2025-03-17

YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels

 

Carbon in austenitic stainless steel is an element that strongly stabilises the austenite and enlarges the austenite zone. Carbon through solid solution strengthening can significantly increase the strength of austenite, but carbon in austenite is often regarded as a detrimental element, mainly due to some use or processing, such as by 450- 850 ℃ heating or welding, so that the steel's corrosion resistance, in particular, the resistance to intergranular corrosion performance is reduced. Carbon also increases the tendency of chromium-nickel austenitic stainless steel pitting corrosion. Most of the new austenitic stainless steels are ultra-low carbon stainless steels with a carbon content of less than 0.03% or 0.02%. With the reduction of carbon content, steel intergranular corrosion sensitivity is reduced, when the carbon content is less than 0.02% to have a very significant effect.

 

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YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels

2025-03-17

YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels

 

Carbon in austenitic stainless steel is an element that strongly stabilises the austenite and enlarges the austenite zone. Carbon through solid solution strengthening can significantly increase the strength of austenite, but carbon in austenite is often regarded as a detrimental element, mainly due to some use or processing, such as by 450- 850 ℃ heating or welding, so that the steel's corrosion resistance, in particular, the resistance to intergranular corrosion performance is reduced. Carbon also increases the tendency of chromium-nickel austenitic stainless steel pitting corrosion. Most of the new austenitic stainless steels are ultra-low carbon stainless steels with a carbon content of less than 0.03% or 0.02%. With the reduction of carbon content, steel intergranular corrosion sensitivity is reduced, when the carbon content is less than 0.02% to have a very significant effect.

 

latest company news about YUHONG GROUP - Influence of carbon on the organisation and properties of austenitic stainless steels 0

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