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409L Stainless Steel Welded Pipe for Automotive Exhaust with Polished Surface and Corrosion Resistance
Product Details
| Model NO. | 409L | Shape | Round |
|---|---|---|---|
| Technique | Welded | Surface Treatment | Polished |
| Specification | OD 6-127mm | Production Capacity | 50000kgs |
| Carbon Content | Max:0.03 | Manganese Content | Max:1.0 |
| Silicon Content | Max:1.0 | Phosphorus Content | Max:0.045 |
| Sulfur Content | Max:0.045 | Chromium Content | Min:10.5 Max:11.75 |
| Nickel Content | Max:0.5 | Titanium Content | Min:0.48 Max:0.75 |
| Tensile Strength | 380 MPa (min) | ||
| Highlight | Automotive Exhaust Stainless Steel Pipe,Polished Surface Welded Pipe,Corrosion Resistant 409L Pipe |
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Product Description
Exhaust Stainless Steel Pipe AISI 409 Pipe
Product Overview
409L welded pipe is a chromium, titanium-stabilized ferritic stainless steel specifically designed for automotive exhaust systems. This grade contains 11% chromium, which provides the minimum required amount for forming the passive surface film that gives stainless steels their corrosion resistance.
Grade 409L combines excellent elevated temperature corrosion resistance with medium strength, good formability, and competitive cost-effectiveness. It serves as a superior alternative to carbon steel in moderately challenging environments where enhanced corrosion resistance and high-temperature oxidation protection are essential.
Chemical Properties
| 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 |
Applications
- Automotive exhaust systems
- Catalytic converters
- Mufflers
- Tailpipes
- Farm equipment
- Structural support and hangers
- Transformer cases
- Furnace components
- Heat exchanger tubing
Product Images
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