409 Stainless Steel Sheet – Cost-Effective Ferritic Stainless for Automotive & Industrial Heat-Resistant Applications
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.
Caption: 409 Stainless Steel Sheet – Plain & Chequered Finish, Ready for Automotive Exhaust FabricationProduct Overview – Why 409 Stainless Steel Sheet?
- Ferritic structure – fully magnetic, ideal for induction heating
- Maximum heat resistance – 815 °C continuous, 900 °C intermittent
- Superior weldability – no post-weld anneal required
- Lowest stainless price – 30–40 % cheaper than 304
- Good corrosion resistance in mild & exhaust atmospheres
- Wide finish range – 2B, BA, No.1, 409 stainless steel chequered sheet
Key Features & Benefits
- High-temperature oxidation resistance – outperforms 430 above 700 °C
- Low thermal expansion – reduced distortion under cyclic heating
- Excellent formability – easy to deep-draw, brake-form, emboss
- Fully magnetic – sensors, induction heating compatible
- Cost-effective – best price-to-performance for heat-resistant applications
- Global supply – 409 stainless steel sheet supplier network to 80+ countries
Material Properties & Specifications
Table 1 – Chemical Composition (ASTM A240)
| Element | Min % | Max % |
|---|---|---|
| Cr | 10.5 | 11.7 |
| Mn | — | 1.00 |
| Si | — | 1.00 |
| C | — | 0.030 |
| P | — | 0.040 |
| S | — | 0.030 |
| Ti | 6×C | 0.75 |
| Fe | Balance | Balance |
Ti addition stabilizes against sensitization during welding.
Table 2 – Mechanical Properties (ASTM A240)
| Condition | Yield MPa | Tensile MPa | Elongation % | Hardness HRB |
|---|---|---|---|---|
| Annealed | ≥205 | ≥380 | ≥22 | ≤88 |
| 600 °C | ≥150 | ≥320 | ≥18 | — |
| 800 °C | ≥100 | ≥220 | ≥12 | — |
Data extracted from general industry specifications.
Table 3 – Available Sizes & Dimensions
| Thickness (mm) | Width (mm) | Length (mm) | Finish |
|---|---|---|---|
| 0.3–3.0 | 1000–1524 | 2000–6000 | 2B, BA |
| 3.0–12.0 | 1250–2000 | 2000–12000 | No.1 |
| 12–50 | 1500–2500 | 2000–12000 | HRAP |
| 50–100 | 1500–3000 | 2000–12000 | Forged |
Custom cut-to-size and 409 stainless steel chequered sheet available.
Applications of 409 Stainless Steel Sheet
- Automotive exhaust systems – pipes, manifolds, catalytic converters
- Industrial heat shields – furnace doors, radiant tubes
- White goods – magnetic appliance skins, induction-compatible panels
- Decorative cladding – 409 stainless steel chequered sheet for elevator cabins
- White goods drums – washing machine, dryer cylinders
- Magnetic whiteboards – sensor-compatible surfaces
- Cost-effective indoor panels – urban façades, column covers
Why Choose Our 409 Stainless Steel Sheet Company?
- Mill-direct pricing – 30–40 % cheaper than 304
- 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 ApplicationsAvailability 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:
- 409 stainless steel sheet material certificates
- 409 stainless steel sheet properties datasheets
- 409 stainless steel sheet supplier warehouse locations
- 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