Description
409 stainless steel coil offers a compelling combination of heat and corrosion resistance at a competitive price point. This makes it a valuable material for various industrial applications.
Key Advantages Of 409 Stainless Steel Coil:
- Bends and Shapes Easily: Maintains excellent formability, allowing for intricate shapes without cracking.
- Superior Weldability: The presence of titanium and niobium enhances weldability, simplifying fabrication processes.
- High-Temperature Performance: Withstands elevated temperatures effectively, making it ideal for hot environments like automotive exhaust systems.
- Moderate Corrosion Resistance: Outperforms regular carbon steel in resisting corrosion, offering a balance between affordability and performance. (Consider mentioning here that it’s not as corrosion resistant as 304 or 316 stainless steel grades for applications requiring superior corrosion protection.)
Applications:
- Automotive Industry: Exhaust manifolds, catalytic converters, and other components benefit from their high-temperature strength and corrosion resistance.
- Appliance Manufacturing: Washing machines, dryers, and other appliances requiring durability and heat resistance often utilize 409 stainless steel .
- Industrial Applications: Its formability, weldability, and resistance to moderate heat and corrosion make it a versatile choice for various industrial uses.
Choosing 409 Stainless Steel Coil:
When selecting 409 stainless steel , consider the thickness, width, and finish required for your specific project. Remember, while offering good corrosion resistance, it might not be suitable for highly corrosive environments where 304 or 316 stainless steel would be a better choice.
Technical Specification
| Property | Details |
|---|---|
| Grade | 409 |
| Finish | 2B / No.1 / Matt |
| Thickness | 0.40 – 3mm |
Chemical Composition
| Element | Percentage% |
|---|---|
| Cr | 10.5 – 11.75 |
| C | ≤ 0.08 |
| Ti | Stabilized |
| Mn | ≤1 |
| Si | ≤1 |
| Fe | Balance |
Applications
- Automotive Exhaust
- Silencers
- Catalytic Converters
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What makes grade 409 suitable for automotive exhaust systems?
409 offers good heat resistance, oxidation resistance, and cost efficiency, making it ideal for exhaust components.
What surface finishes are available for 409 stainless steel coils?
Common finishes include 2B, No.1 (HR), Matt, and Industrial Finish.
How can I get samples of 409 stainless steel coils?
Sample cut pieces can be provided on request for quality verification.
What is your delivery time for 409 stainless steel coils?
Delivery is usually 3–7 working days for ready stock.
What are the advantages of 409 stainless steel coils?
Good heat resistance
Cost-effective
Magnetic properties
Suitable for welding
What are the applications of 409 stainless steel coils?
Used in automotive exhaust systems, silencers, mufflers, and heat shields.





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