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

Certificação AISI, ASTM
Quantidade de ordem mínima 50 kg
Preço US $1.65-3.88 / kg
Detalhes do produto
Modelo NÃO. 409L Forma Redondo
Técnica soldado Tratamento de superfície Polido
Especificação DE 6-127mm Capacidade de produção 50.000 kg
Conteúdo de carbono máximo: 0,03 Índice do manganês máximo: 1,0
Teor de silício máximo: 1,0 Teor de fósforo máximo: 0,045
Índice de enxofre máximo: 0,045 índice do cromo mín:10,5 máx:11,75
Conteúdo de níquel máximo: 0,5 Índice do titânio mín:0,48 máx:0,75
Resistência à tracção 380 MPa (min)
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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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Descrição de produto
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