When your project demands excellent heat resistance, magnetic properties, and the lowest stainless price, 409 Stainless Steel Sheet is the smart choice. This ferritic grade offers continuous service up to 815 °C, superior weldability, and 30–40 % lower cost than 304, making it the global standard for automotive exhaust systems, catalytic converter shells, and industrial heat shields. Whether you need 409 stainless steel chequered sheet for decorative cladding or plain sheet for exhaust manifolds, our mill-direct supply ensures full traceability, rapid delivery, and competitive pricing for manufacturers, fabricators, and traders worldwide.
500 000 t annual ferritic capacity – 5-day lead time
ISO 9001 & PED certified – EN 10204 3.1 MTC supplied
In-house brushing & embossing – Ra ≤0.2 μm mirror finish
Same-day cutting & protective film – tolerances ±0.2 mm
Real-time stock update – 24/7 visibility for any thickness
Caption: 409 Stainless Steel Sheet – Production Line, Ready for Automotive & Industrial Applications
Availability and Pricing
As a leading 409 stainless steel sheet company and trusted 409 stainless steel sheet supplier, we maintain massive ready stock in Shanghai, Houston, and Rotterdam. Whether you need one coil of 0.5 mm × 1219 mm or a full plate of 20 mm × 2500 mm, our 409 stainless steel sheet for sale is available at competitive factory-direct pricing. Contact our export team for:
Same-day dispatch to UK, EU, GCC, ASEAN, and Americas
Frequently Asked Questions (FAQ)
Q1: What is the maximum service temperature for 409 Stainless Steel Sheet?
A: 815 °C continuous, 900 °C intermittent in clean air.
Q2: Is 409 Stainless Steel Sheet magnetic?
A: Fully ferritic – ideal for induction heating and sensor applications.
Q3: How does the price compare to 430?
A: 10–15 % cheaper than equivalent 430 finish.
Q4: Can I get a mirror finish?
A: Yes – BA or 8K mirror up to Ra ≤0.2 μm.
Q5: Is welding difficult?
A: Use 309 or 409 filler; post-weld anneal optional for most services.
Q6: What embossed patterns are available?
A: Diamond, linen, ripple, custom logos – 409 stainless steel chequered sheet equivalent.
Q7: What is the minimum order?
A: One sheet for stock sizes; full container (≈25 t) for mill-direct custom thickness.
Q8: Do you export worldwide?
A: Yes – to 80+ countries including UK, Germany, India, UAE, South Korea, and Australia.
Conclusion & Call-to-Action
Stop paying nickel premiums. Contact the most trusted 409 stainless steel sheet supplier today for the latest price, immediate access to massive 409 stainless steel sheet for sale stock, and same-day cutting of any thickness or finish.
Caption: Massive Stock – 409 Stainless Steel Sheet for Sale from Leading 409 Stainless Steel Sheet Company, Mill-Direct Prices Worldwide
409 Stainless Steel Plate – High-Performance Ferritic Steel for Exhaust Systems & Industrial Applications
Meta Description: Discover high-quality 409 stainless steel plates for automotive exhaust systems, heat exchangers & more. Competitive prices, reliable distribution & technical expertise.
Introduction
409 Stainless Steel Plate is a highly versatile ferritic stainless steel designed for applications requiring excellent heat resistance, weldability, and cost-effectiveness. It is especially popular in automotive exhaust systems, mufflers, catalytic converters, and other high-temperature environments. Known for its exceptional performance in thermal cycling and resistance to oxidation, 409 stainless steel is a leading choice for exhaust system components, where cost is a critical factor.
The automotive sector, in particular, benefits greatly from 409 stainless steel, as it delivers a balance between performance and price that other stainless steels, such as 304 or 430, cannot offer. With its heat-resistant properties and stabilization options using Titanium (Ti) or Niobium (Nb), 409 stainless steel plate is engineered to withstand the extreme temperatures and corrosive environments found in exhaust systems and similar applications.
When considering the 409 stainless steel plate, buyers look for material that combines durability, affordability, and the ability to withstand thermal cycling without succumbing to oxidation or rust. In this product detail page, we will explore the technical specifications, benefits, applications, and the reasons why 409 stainless steel is the best choice for your high-temperature needs.
Product Overview & Key Benefits
High-Temperature Oxidation Resistance: Exceptional performance in temperatures ranging from 750°C to 850°C, making it ideal for exhaust systems.
Ferritic Structure: Fully ferritic stainless steel that provides excellent formability and weldability.
Cost-Effective: More affordable compared to austenitic grades like 304 or 316, offering the best value for exhaust and automotive applications.
Titanium/Niobium Stabilized: Stabilized with Ti or Nb to improve high-temperature performance and thermal cycling resistance.
Magnetic Properties: Fully magnetic due to its ferritic composition, which is beneficial in certain industrial applications.
Corrosion Resistance: Resistance to general atmospheric corrosion and mild acidic environments.
Weldability: Easy to weld with minimal risk of weld cracking or distortion.
409 stainless steel is the go-to material for automotive exhaust systems due to its excellent balance of performance, cost, and durability. It outperforms other stainless steels when it comes to high-temperature resistance and oxidation resistance. This makes it ideal for both OEMs and aftermarket producers of mufflers, catalytic converters, and other automotive components exposed to extreme conditions.
Chemical Composition
Element
Content (%)
Carbon (C)
≤0.08
Manganese (Mn)
0.30 – 1.00
Silicon (Si)
≤0.75
Phosphorus (P)
≤0.045
Sulfur (S)
≤0.03
Chromium (Cr)
10.50 – 11.70
Nickel (Ni)
≤0.50
Titanium (Ti)
0.30 – 0.60 (If stabilized)
Niobium (Nb)
0.05 – 0.10 (If stabilized)
Note: The composition may vary slightly based on the supplier or specific grade variant. Titanium or Niobium is added for stabilization, significantly improving high-temperature stability.
409 stainless steel plates offer excellent resistance to high-temperature oxidation, particularly in exhaust systems and similar applications. It is capable of withstanding temperatures up to 850°C without losing its integrity. The addition of Titanium or Niobium for stabilization further enhances the material’s resistance to thermal cycling and prevents grain boundary precipitation. As a result, 409 stainless steel performs well in harsh, corrosive environments, such as automotive exhaust systems, where frequent thermal expansion and contraction occur.
Major Applications
Automotive Exhaust Systems: Mufflers, catalytic converters, exhaust pipes, and silencers.
Heat Exchangers: Applications where high temperatures and corrosion resistance are critical.
Furnace Components: Burners, chimney components, and heat shields.
Agricultural Equipment: Parts exposed to high heat and mild corrosion.
Railway Wagons: Components subjected to elevated temperatures.
Coal Handling Equipment: Parts requiring resistance to both heat and corrosion.
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Why We Are the Best 409 Stainless Steel Plate Distributor
As the leading 409 stainless steel plate supplier, we offer:
Large Ready Stock: Immediate availability of 409 stainless steel plates in various dimensions.
Direct Mill Sourcing: Direct access to reliable mills ensures competitive pricing and quality control.
Ultrasonic Testing: All plates undergo ultrasonic testing to ensure their structural integrity.
Custom Cutting & Bending: Tailored solutions for your specific needs.
Full MTC 3.1/3.2: We provide complete mill test certificates with every order.
Fastest Delivery: Fast turnaround times with on-time delivery.
Most Competitive 409 Stainless Steel Plate Price: Guaranteed the best prices for bulk orders.
FAQ Section
1. Is 409 stainless steel magnetic?
Yes, 409 stainless steel is fully magnetic due to its ferritic composition.
2. What is the maximum service temperature of 409 stainless steel?
409 stainless steel can withstand temperatures up to 850°C, making it ideal for automotive exhaust systems.
3. What are the main differences between 409 and 304 stainless steel?
304 stainless steel offers superior corrosion resistance and is non-magnetic, but it is more expensive than 409, which is magnetic and more suitable for exhaust systems.
4. Can 409 stainless steel be welded easily?
Yes, 409 stainless steel is known for its excellent weldability with minimal risk of weld cracking or distortion.
5. Why is 409 stainless steel used in exhaust systems?
Its cost-effectiveness, heat resistance, and ability to withstand thermal cycling make 409 stainless steel the preferred material for exhaust systems.
6. Does 409 stainless steel rust?
409 stainless steel is resistant to rust and corrosion in many applications but may develop a protective oxide layer when exposed to high temperatures.
7. What is the difference between Titanium-stabilized and Niobium-stabilized 409?
Both Titanium and Niobium stabilize the steel against high-temperature oxidation, but Titanium offers superior resistance to grain boundary precipitation.
8. How does 409 compare to 430 stainless steel?
Both are ferritic grades, but 409 has better high-temperature performance, while 430 has better resistance to corrosion in mild environments.
Conclusion + Urgent Call-to-Action
If you’re in need of high-quality 409 stainless steel plates for your automotive or industrial applications, request a quote today! We guarantee fast response times within 24 hours. Reach out via WhatsApp, email, or phone to get started with your order now.
Contact Us Today for the Best Price on 409 Stainless Steel Plates!
Caption: 409 Stainless Steel Sheet – Plain & Chequered Finish, Ready for Automotive Exhaust Fabrication
Caption: 409 Stainless Steel Sheet – Production Line, Ready for Automotive & Industrial Applications
Caption: Massive Stock – 409 Stainless Steel Sheet for Sale from Leading 409 Stainless Steel Sheet Company, Mill-Direct Prices Worldwide