439 stainless steel bright wire

439 stainless steel bright wire (DIN 1.4510) represents a premium ferritic stainless steel known for its exceptional corrosion resistance, particularly in oxidizing environments. As a titanium-stabilized bright wire variant, it offers superior weldability and resistance to intergranular corrosion. Our 439 stainless steel bright wire products are extensively utilized in applications demanding both corrosion resistance and reliable weldability.

Chemical and Mechanical Properties of 439 Stainless Steel Bright Wire

Chemical Composition:

• Chromium (Cr): 17.0 - 19.0%
• Nickel (Ni): ≤ 0.50%
• Manganese (Mn): ≤ 1.00%
• Silicon (Si): ≤ 1.00%
• Titanium (Ti): 0.10 - 0.75%
• Carbon (C): ≤ 0.030%
• Phosphorus (P): ≤ 0.040%
• Sulfur (S): ≤ 0.030%
• Nitrogen (N): ≤ 0.030%

Mechanical Properties:

• Tensile Strength: 415 - 485 MPa
• Yield Strength: ≥ 240 MPa
• Elongation: ≥ 20% in 2 inches (50.8mm)
• Hardness: ≤ 90 HRB

Physical Characteristics and Industry Standards

Our stainless steel bright wire grade 439 features:

• Density: 7.7 g/cm³
• Melting Point: 1480°C - 1520°C
• Thermal Conductivity: 25 W/m•K at 100°C
• Specific Heat: 460 J/kg•K at 20°C
• Electrical Resistivity: 600 µΩ•cm at 20°C
• Thermal Expansion: 10.5 µm/m•K (20-100°C)

International Standards:

• UNS: S43035
• JIS: SUS439
• EN: 1.4510
• ASTM: A240

Manufacturing and Applications

Processing Capabilities: Our 439 stainless steel bright wire can be:

• Welded using common techniques without pre-heating
• Formed through bending, drawing, and rolling
• Supplied in annealed condition for optimal performance

Key Applications:

• Automotive: Exhaust systems, catalytic converters
• Construction: Roofing and structural components
• Industrial: Heat exchangers, chemical processing
• Catering: Commercial kitchen equipment
• Energy: Power generation components

Key Advantages of 439 Stainless Steel Bright Wire

1. Superior Corrosion Resistance: Exceptional performance in oxidizing environments
2. Enhanced Weldability: Titanium stabilization prevents intergranular corrosion
3. Excellent Formability: Versatile shaping capabilities
4. Thermal Stability: Maintains properties at elevated temperatures
5. Cost-Effective: Economical alternative to austenitic stainless steel bright wire

Available Forms:

• Precision bright wire coils
• Straightened bright wire bars
• Custom specifications available upon request

Contact our technical team for detailed specifications and customized 439 stainless steel bright wire solutions for your specific applications.