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ASTM S40900 409L Stainless Steel Welded Pipe for Automotive Exhaust with Corrosion Resistance and Polished Surface
Productdetails
| Model-NR. | 409L | Vorm | Ronde |
|---|---|---|---|
| Techniek | gelast | Oppervlaktebehandeling | Gepolijst |
| Specificatie | Buitendiameter 6-127 mm | Productiecapaciteit | 50000 kg |
| Koolstofgehalte | maximaal:0,03 | Mangaaninhoud | maximaal:1,0 |
| Siliciumgehalte | maximaal:1,0 | Fosforgehalte | maximaal: 0,045 |
| Zwavelinhoud | maximaal: 0,045 | chromiuminhoud | min:10,5 maximaal:11,75 |
| Nikkelinhoud | maximaal:0,5 | Titaniuminhoud | min:0,48 maximaal:0,75 |
| Treksterkte | 380 MPa (min) | ||
| Markeren | Automotive Exhaust Stainless Steel Pipe,Corrosion Resistant Welded Pipe,Polished Surface 409L Pipe |
||
Productomschrijving
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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