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Duplex Steel Corrosion Resistant Heat Exchange Pipe

Duplex stainless steel has austenite and ferrite biphasic structure, and ferrite and austenite each account for about 50%, generally less than the minimum phase content needs to reach 30%.Therefore, it has both the characteristics of austenitic stainless steel and ferrite stainless steel, duplex stainless steel has good resistance to chloride pitting and gap pitting, excellent mechanical properties, in some conditions, the yield strength of austenitic stainless steel is more than twice higher than that of austenitic stainless steel, thermal conductivity is higher than that of austenitic stainless steel, plasticity, toughness is better than ferrite.
Application
Widely used in high-pressure pipelines, heat exchangers, oil and gas pipelines, sewage treatment systems, food processing, chemi
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Product Despcription:
Duplex stainless steel has austenite and ferrite biphasic structure, and ferrite and austenite each account for about 50%, generally less than the minimum phase content needs to reach 30%.Therefore, it has both the characteristics of austenitic stainless steel and ferrite stainless steel, duplex stainless steel has good resistance to chloride pitting and gap pitting, excellent mechanical properties, in some conditions, the yield strength of austenitic stainless steel is more than twice higher than that of austenitic stainless steel, thermal conductivity is higher than that of austenitic stainless steel, plasticity, toughness is better than ferrite.
 
Performance characteristics:
1. Excellent overall corrosion resistance and local corrosion resistance, especially stress corrosion resistance, point corrosion resistance, crevice corrosion resistance, corrosion fatigue resistance and abrasion resistance
2. Compared with austenitic stainless steel, the thermal conductivity is large, the linear expansion coefficient is small. The tube of the heat exchanger which uses duplex material, its heat exchange efficiency is higher than that of austenitic stainless steel. 
3. Good comprehensive mechanical properties 
4. Good intergranular corrosion resistance 
5. Long service life
 
We can produce 2205 2507 329LD and other kinds of duplex stainless steel straight welded pipe.
 
Application:
Widely used in high-pressure pipelines, heat exchangers, oil and gas pipelines, sewage treatment systems, food processing, chemical industry and other fields.
 
Product Image:
 
 
Application areas:
 
Applied to the field of heat exchangers Applied to the chemical industry
Applied to the petrochemical field Used in food production
 
 
 
 
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