ASTM A790 S31803 Seamless Duplex Steel Thick Wall Thickness Pipes

YUHONG Group, a factory that offers ASME SA790 / ASTM A790 S31803 SMLS duplex stainless steel thick wall thickness pipes in more than 70 countries up to now.The products we provide are all of high quality, and our quality inspectors will conduct quality inspections on the goods after production is completed.In so many years of exporting, quality problems have rarely occurred.

Specifications

ASTM A790/ ASME SA790 This specification covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

Advantages

1. Offers excellent resistance to corrosion, especially in harsh environments such as high chloride and acidic conditions.

2. Have a higher strength compared to austenitic stainless steel pipes, making them suitable for applications that require high mechanical strength.

3. More affordable compared to other high-performance alloys while still providing excellent corrosion resistance and strength.

4. Be easily welded using commonly used techniques and do not require preheating or post-weld treatment. 

5. Can withstand thermal cycles without deformations. This property is especially beneficial in applications where temperature fluctuations are common.

Heat Treatment

Hardness Requirements

Chemical Composition %  

Tensile Requirements

Applications Industries

Chemical Processing

Mechanical Parts

Condensers & Boiler & Heat Exchangers

Sea Water Equipment                                                       

Food Processing- Salt Making,etc.                                     

Energy Field- Nuclear Power Generation,Tidal Power Generation,etc                                                               

Environmental Protection Field- Gas Processing,Waste Water Treatment,etc.