309S Stainless Steel Strip

309S stainless steel strip is a premium austenitic chromium-nickel grade designed for demanding high-temperature applications. This advanced stainless steel strip features enhanced chrome and nickel content, enabling superior oxidation resistance up to 1830°F. As a low-carbon variant, it offers excellent fabrication properties and superior weldability using standard methods.

Technical Specifications and Applications

Product Specifications:

• Grade: 309S
• Standards: ASTM/EN/JIS
• Thickness Range: 0.03mm-3.0mm
• Width Options: 1.5mm-600mm
• Length: Available in coil type or customized lengths
• Surface Finishes:
  • NO.1
  • 2B
  • 2H (Rerolled Bright)
  • BA
  • No.4
  • 8K (Mirror)
  • HL (Hairline)
  • Polishing Bright
• Edge Types: Mill Edge, Slit Edge, Deburred Edge, Round Edge, V Type Edge

Key Features:

• High chromium and controlled nickel content
• Excellent corrosion resistance
• Superior heat resistance
• Performance in sulfur-containing atmospheres up to 1000°F

Primary Applications:

The versatile 309S stainless steel strip excels in various industrial applications:

1. Energy Sector
   • Nuclear power facilities
   • Thermal power plants
   • Fuel cell systems
2. Industrial Equipment
   • Boilers
   • Industrial furnaces
   • Heating furnaces
   • Annealing boxes
   • Thermowells
3. Process Industries
   • Chemical processing
   • Petrochemical applications
   • Incinerator systems

The exceptional heat resistance and corrosion protection of 309S stainless steel strip make it the preferred choice for high-temperature industrial applications requiring reliable performance in aggressive environments.