Stainless steel AISI 439 is a titanium-stabilized ferritic alloy offering excellent resistance to heat, oxidation and corrosive environments. Known for its durability, it is widely used in exhaust systems, industrial plants and components exposed to thermal stress.

Available in coils, flattened sheets and cut-to-size strips, AISI 439 provides an efficient and cost-effective solution for manufacturers requiring stable performance and excellent formability in medium to high-temperature applications.

• Titanium-stabilized ferritic steel (17–19% Cr)
• Magnetic with strong structural stability
• Excellent oxidation resistance at elevated temperatures
• Very good weldability compared to other ferritic grades
• Ideal for exhaust and thermal applications

• Thicknesses: from 0.3 mm upwards
• Widths: standard or customized
• Finishes: 2B – BA – Satin – PVC film
• Available in coils, sheets and strips

• Automotive: exhaust systems and hot-zone components
• Industrial plants: piping and parts exposed to heat or chemicals
• Construction: claddings and structural elements
• Household appliances: internal panels and technical parts
• Light industry: components requiring thermal resistance

Industrial quantities only.