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ERW Welded Stainless Tube for Automotive Exhaust Systems - Corrosion and Heat Resistant JIS G4312
Product Details
| Model NO. | 409 441 439 430 409L 436L | 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 | Corrosion Resistant ERW Welded Stainless Tube,Heat Resistant Stainless Steel Pipe,Automotive Exhaust Systems JIS G4312 Tube |
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Product Description
ERW Welded Stainless Tube for Exhaust Systems
JIS G4312 Suh409L/1.4512/441/436L/439
Product Overview
409L welded pipe is a chromium, titanium-stabilized ferritic stainless steel specifically designed for automotive exhaust systems. With 11% chromium content, it forms a passive surface film that provides excellent corrosion resistance while offering medium strength, good formability, and cost-effectiveness.
Material Characteristics
Stainless steel grade 409L demonstrates superior corrosion resistance compared to carbon steel, making it ideal for mildly challenging environments where mechanical properties and corrosion resistance take priority over appearance. Its high resistance to corrosion and elevated temperature oxidation provides significant advantages in demanding 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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