ASTM A790 S32205 Seamless Duplex Stainless Steel Tube High Strength Corrosion Resistant for Offshore Applications

ASTM A790 S32205 Seamless Duplex Stainless Steel Tube High Strength Corrosion Resistant for Offshore Applications

YUHONG GROUP​​ is a specialized manufacturer of ​​high-performance duplex stainless steel products, with over 30 years of expertise in serving global energy and chemical industries. Our ​​ASTM A790 S32205 Seamless Duplex Stainless Steel Tubes​​ combine superior corrosion resistance with exceptional mechanical strength for the most demanding applications.

Heat Treatment Requirements for UNS S32205 

​Chemical Composition of UNS S32205

Tensile and Hardness Requirements for UNS S32205

​​ASTM A790 S32205 Seamless Duplex Stainless Steel Tube - Key Application Advantages​

1. Superior Mechanical Strength for Offshore Structures​​

​​Minimum yield strength 450 MPa (65 ksi)​​ withstands extreme ocean wave loads and high-pressure drilling operations

​​25% minimum elongation​​ provides critical ductility to absorb dynamic stresses in subsea pipelines

​​2. Unmatched Corrosion Resistance in Marine Environments​​

​​PREN ≥ 35​​ (Cr+3.3Mo+16N formula) prevents pitting/crevice corrosion in chloride-rich seawater

​​Resists stress corrosion cracking (SCC)​​ under tension in the splash zone and submerged conditions

​​3. Long-Term Reliability in Critical Applications​​

​​50+ year service life​​ in North Sea oil platforms (documented cases)

​​Maintenance cost reduction​​ up to 60% compared to 316L systems through eliminated cathodic protection needs

​​4. Operational Safety Enhancements​​

​​Inherent fire resistance​​ maintains structural integrity at high temperatures (PED compliance)

​​Zero toxicity leaching​​ ensures compatibility with seawater cooling for LNG processing