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Introduction of duplex stainless steel

Update:2010-12-12
Introduction of duplex stainless steel 


According to the characteristics of two-phase structure, by proper control of chemical composition and heat treatment process, the austenitic stainless steel which has excellent toughness and welding 
Pick of the ferritic stainless steel and has a high strength and resistance to chloride stress corrosion planing performance combined to make into a kind of duplex stainless steel 
Set of excellent corrosion resistance, high strength and ease of manufacturing and many other excellent performance in one of the steel. They range from the physical properties of austenitic 
Stainless steel and ferritic stainless steel between, but closer to the ferritic stainless steel and carbon steel. Duplex stainless steel in resistance to chloride pitting and crevice resistance 
Corrosion resistance and chromium, molybdenum and nitrogen content is related to its resistance to pitting and crevice corrosion of yttrium can leave in the 316 class, or higher than the water does not need 
6% MO stainless steel such as stainless steel. All of the duplex stainless steel resistance to chloride stress corrosion cracking capacity was significantly stronger than the 300 series austenitic 
Stainless steel, and its intensity is much higher than stainless steel, while showing good ductility and toughness. 

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