409 Stainless Steel Plate & Coil: Cost-Effective Ferritic For General Industrial Use

What is 409 Stainless Steel Plate & Coil?

409 stainless steel plate & coil is a low-chromium ferritic stainless steel product, featuring excellent formability and cost advantage. It is widely used as a general-purpose material for industrial and automotive components, prioritizing economic efficiency and basic corrosion resistance.

Equivalent Grades (Horizontal)

UNS: S40900 | JIS: SUS409L | GB: 022Cr11Ti | EN: X2CrTi12 | W.Nr.: 1.4512

Chemical Composition (wt%, Horizontal)

C: ≤0.03 | Si: ≤1.00 | Mn: ≤1.00 | P: ≤0.045 | S: ≤0.030 | Cr: 10.50-11.75 | Ti: 6×C-0.75 | Fe: Balance

Key Properties (20°C, Annealed, Horizontal)

Density: 7.75g/cm³ | Melting Point: 1425-1510°C | Tensile Strength: ≥415N/mm² | Yield Strength: ≥205N/mm² | Elongation: ≥20% | Hardness: ≤183HB

Core Characteristics

• High cost-performance: Low chromium content reduces production cost, suitable for large-scale general industrial applications • Excellent formability and weldability: Easy to cut, bend, roll and weld, adapting to plate/coil processing and component manufacturing • Good high-temperature oxidation resistance: Suitable for moderate-temperature industrial scenarios, forming a protective oxide film • Basic corrosion resistance: Ideal for dry or low-humidity environments, widely used in automotive exhaust systems and industrial casings

409 vs 430 Stainless Steel Plate & Coil (Horizontal)

Cr Content: 409 (10.50-11.75%) | 430 (16.00-18.00%) | Corrosion Resistance: 409 (Basic) | 430 (Good) | Cost: 409 (Low) | 430 (Medium) | Application: 409 (Automotive/General) | 430 (Decorative/Kitchen)

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.