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Raian IonescuCalidad material muy buena. tenemos cooperar más de 10 años. Negocian clases de las porciones de material de acero. Toda la calidad material buena. Ellos deber para toda la calidad material. Estamos acepillando para continuar cooperando con ellos en el futuro
ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface
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.) | ||
| Resaltar | Automotive Exhaust Stainless Steel Pipe,Corrosion Resistant Welded Pipe,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
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