ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface

Certificación AISI, ASTM
Cantidad de orden mínima 50 kg
Precio US $1.65-3.88 / kg
Datos del producto
Modelo NO. 409L Forma Redondo
Técnica soldado Tratamiento superficial Pulido
Especificación DE 6-127 mm Capacidad de producción 50000KGS
Contenido de carbono máx: 0,03 Contenido del manganeso máx: 1,0
Contenido de silicio máx: 1,0 Contenido de fósforo máx: 0,045
Contenido de azufre máx: 0,045 contenido del cromo mín: 10,5 máx: 11,75
Contenido de níquel máx: 0,5 Contenido del titanio mín: 0,48 máx: 0,75
Resistencia a la tracción 380 MPa (mín.)
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Automotive Exhaust Stainless Steel Pipe

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Corrosion Resistant Welded Pipe

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Polished Surface 409L Pipe

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Descripción de producto
ASTM S40900 409/409L Stainless Steel Pipe for Automotive Exhaust Systems
Stainless steel grade 409L is a chromium, titanium-stabilized ferritic stainless steel specifically designed for automotive exhaust systems. With 11% chromium content—the minimum required for forming the protective passive surface film—this alloy offers excellent corrosion resistance combined with medium strength, good formability, and cost-effectiveness.
Material Advantages
409L stainless steel provides superior corrosion resistance compared to carbon steel, making it ideal for mildly challenging environments where corrosion resistance and high-temperature oxidation protection are essential. This material prioritizes mechanical properties and corrosion resistance over appearance, making it perfect for functional applications.
Chemical Composition
Element C Mn Si P S Cr Ni Ti
409L max: 0.03 max: 1.0 max: 1.0 max: 0.045 max: 0.045 min: 10.5
max: 11.75
max: 0.5 min: 0.48
max: 0.75
Mechanical Properties
Grade Tensile Strength MPa (min) Yield Strength 0.2% MPa (min) Elongation % Hardness (HB) MAX Hardness (HRB) MAX
409L 380 207 20 207 95
Primary Applications
  • Automotive exhaust systems
  • Catalytic converters
  • Mufflers and tailpipes
  • Farm equipment components
  • Structural support and hangers
  • Transformer cases
  • Furnace components
  • Heat exchanger tubing
ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface 0 ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface 1 ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface 2 ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface 3 ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface 4