309S stainless steel bright wire

Advanced Properties of 309S Stainless Steel Bright Wire

Our 309S stainless steel bright wire is an exceptional austenitic chromium-nickel steel designed for demanding applications. This premium bright wire offers outstanding corrosion resistance combined with superior oxidation resistance up to 2000°F (1093°C). The 309S stainless steel bright wire demonstrates remarkable tensile and creep strength at elevated temperatures, matching the performance of 18-8 stainless steels while offering enhanced resistance to marine environments compared to 304 grade.

Technical Specifications and Applications

Primary Applications for 309S Stainless Steel Bright Wire:

• High-temperature furnace components
• Heat exchanger systems
• Paper mill equipment

Chemical Composition:

• Carbon: 0.08% max
• Chromium: 22.00-24.00%
• Nickel: 12.00-15.00%
• Manganese: 2.00% max
• Silicon: 1.00% max
• Molybdenum: 0.75% max
• Iron: Balance

Physical Properties of Our Stainless Steel Bright Wire:

• Density: 0.289 lbs/in³ (9.01 g/cm³)
• Melting Range: 2550-2590°F (1399-1454°C)
• Electrical Resistivity at 68°F: 30.7 microhm-in
• Thermal Conductivity:
  • At 212°F: 9.0 BTU/hr/ft²/ft/°F
  • At 932°F: 10.8 BTU/hr/ft²/ft/°F

Mechanical Properties:

• Ultimate Tensile Strength: 75 KSI min (620 MPA min)
• Yield Strength (0.2% offset): 30 KSI min (205 MPA min)
• Elongation: 40% minimum
• Hardness: Rb 95 max

Our 309S stainless steel bright wire can be customized with various temper conditions to meet specific mechanical property requirements, making it ideal for applications demanding both high-temperature performance and corrosion resistance.