Precision Processing SUH409L Cold Rolled Steel Coil Supplier
Your Reliable SUH409L Cold Rolled Steel Coil Processing Partner
Founded in 1999, Chuangrui specializes in precision processing solutions for SUH409L cold rolled stainless steel coils. With advanced cold rolling production lines and integrated processing capabilities including slitting, annealing, and surface finishing, we provide stable quality and flexible customization for global industrial customers.
More than a material supplier, Chuangrui is your long-term partner for reverse-engineering customization, non-standard coil processing, and flexible delivery solutions.
What Is SUH409L?
SUH409L is a low-carbon, titanium-stabilized ferritic stainless steel widely used in automotive exhaust systems and heat-resistant structural parts. Compared with general carbon steel, SUH409L offers better corrosion resistance, oxidation resistance, and forming performance.
As a precision processing cold rolled steel coil manufacturer, we supply SUH409L cold rolled stainless steel coils in customized thickness, width, hardness, edge condition, and coil weight according to buyers' production requirements.
Oxidation Resistance
Maintains structural integrity and surface quality in temperatures up to 850 ?C, ideal for exhaust manifolds.
Superior Weldability
Titanium stabilization prevents hardening and sensitization in the heat-affected zone.
Thermal Fatigue
Resistant to the stresses of frequent heating and cooling cycles inherent in automotive operations.
Cost-Effectiveness
A stable, low-nickel solution providing a price advantage over austenitic grades like 304.
SUH409L Cold Rolled Steel Coil Information
| Artículo | Specification |
|---|---|
| Material Grade | SUH409L |
| Material Type | Acero inoxidable ferrítico resistente al calor |
| Norma JIS | JIS G4305 |
| JIS Heat-Resistant Grade | SUH409L |
| ASTM / AISI Equivalent | 409L |
| Número UNS | S40910 |
| EN Number | 1.4512 |
| EN Material Name | X2CrTi12 |
| GB Equivalent Grade | 022Cr11Ti |
| Magnético | Yes |
| Contenido en níquel | Low Nickel / Nickel-Free |
| Available Form | Cold Rolled Stainless Steel Coil / Strip |
| Main Applications | Automotive Exhaust Systems, Mufflers, Heat-Resistant Components |
| Processing Services | Slitting, Recoiling, Annealing, Temper Rolling, Surface Finishing |
SUH409L Cold Rolled Steel Coil
SUS430 Cold Rolled Stainless Steel Coils
| Chemical Composition | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Titanium (Ti) |
|---|---|---|---|---|---|---|---|---|
| Standard Spec | ≤0,03 | ≤1,00 | ≤1,00 | ≤0,045 | ≤0,030 | 10.5 - 11.75 | ≤0.50 | Stabilized |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥380 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥20% |
| Dureza | ≤HRB 90 |
| Density | 7.75 g/cm³ |
Physical Properties
| Property | Value |
|---|---|
| Thermal Conductivity | Approx. 24 W/m·K |
| Electrical Resistivity | Approx. 0.60 μΩ·m |
| Thermal Expansion | Approx. 11.0 ×10-6/K |
| Melting Point | Approx. 1450°C |
The Difference Between SUH409L and SUS409L
SUH409L and SUS409L are closely related ferritic stainless steel grades under the JIS system. They are often considered equivalent materials, but SUH409L is more commonly used for heat-resistant and automotive exhaust applications.
| Artículo | SUH409L | SUS409L |
|---|---|---|
| Classification | Heat-Resistant Stainless Steel | General Stainless Steel |
| Main Application | Automotive exhaust systems | General industrial applications |
| Focus Property | Heat resistance & oxidation resistance | Corrosion resistance |
| JIS Prefix Meaning | “SUH” = Heat-resistant steel | “SUS” = Stainless steel |
| Typical Use | Exhaust pipes, mufflers, heat-resistant components | Stainless steel fabrication and structural parts |
Precision Processing Capabilities
Thickness Reduction
Annealing / Tempering
Temper Rolling / Skin Pass
Surface Finishing
Precision Slitting
Leveling
Edge Trimming
Oscillate Winding / Recoiling
Fabricación de bobinas flexibles de acero inoxidable laminado en frío
Trabajamos según un modelo de fabricación bajo pedido (JIT) y suministramos bobinas de acero inoxidable de la serie 400 laminadas en frío de alta precisión, con especificaciones flexibles y soluciones integradas de procesamiento para fabricantes de equipo original (OEM).
A partir de 1 bobina (aprox. 5 toneladas), con plazos de producción personalizados a partir de tan solo 10 días.
0,16 mm - 2,0 mm
20 mm - 1 250 mm
2D, 2B, BA, 2BA
N.º 4, Acabado «Hairline» (HL), Espejo, Acabado vibrado
El recocido de precisión permite ajustar con exactitud la dureza y el tamaño del grano.
Acabados superficiales disponibles
Acabado 2B
Laminado en frío, recocido, decapado
Grado en BA
Con aspecto de espejo, altamente reflectante
4.º puesto
Acabado cepillado, veta unidireccional
Acabado HL
Textura de línea fina continua
Surface Finish Options for SUH409L Cold Rolled Steel Coil
| Surface Finish | Appearance | Processing Method | Features | Aplicaciones típicas |
|---|---|---|---|---|
| 2D | Dull, low-reflective matte finish | Cold rolled, annealed, pickled without skin pass | Lower reflectivity, good formability, suitable for deep drawing and industrial processing | Automotive exhaust components, industrial structural parts |
| 2B | Smooth, matte gray finish | Cold rolled, annealed, pickled, skin passed | Standard industrial finish with good flatness and corrosion resistance | Automotive exhaust parts, industrial components, metal fabrication |
| 2BA | Semi-bright smooth finish | Improved bright annealing process after cold rolling | Brighter and smoother than 2B with better surface cleanliness | Appliance components, decorative industrial parts, precision fabrication |
| BA (Bright Annealed) | Bright and reflective surface | Bright annealing under controlled atmosphere | Smoother and brighter appearance with improved surface cleanliness | Decorative components, appliance parts, visible metal surfaces |
| No.4 | Fine brushed finish | Mechanical polishing with abrasive belts | Uniform texture with moderate reflectivity | Decorative panels, equipment covers, commercial applications |
| HL (Hairline) | Continuous linear brushed texture | Extended polishing process | Elegant linear appearance with reduced fingerprint visibility | Architectural decoration, appliance panels, interior applications |
| Customized Finish | According to customer requirements | Customized processing | Surface texture, roughness, and appearance can be adjusted | OEM industrial projects and special applications |
Estricto control de calidad
Los exhaustivos procedimientos de inspección y ensayo garantizan una calidad constante, la precisión dimensional y un rendimiento fiable en cada lote de bobinas de acero inoxidable laminadas en frío.
Certificación de materiales
Se facilitan certificados de ensayo de fábrica (MTC) originales para cada lote de materia prima, con el fin de verificar la composición química y las especificaciones del material.
Precisión dimensional
La inspección de precisión del espesor y la anchura garantiza un control estable de las tolerancias a lo largo de todo el proceso de transformación de las bobinas.
Inspección de superficies
Inspección de la calidad de la superficie para detectar arañazos, abolladuras, defectos en los bordes y uniformidad en los acabados 2B, BA, n.º 4 y HL.
Verificación mecánica
La verificación de la dureza y del rendimiento en el conformado garantiza una fabricación posterior estable y la uniformidad del procesamiento.
Core Applications of SUH409L Cold Rolled Steel Coil
Automotive Exhaust Systems
Good heat resistance and oxidation resistance.
Mufflers & Exhaust Pipes
Titanium-stabilized ferritic structure.
Heat-Resistant Parts
Suitable for medium-temperature environments.
Why Choose Us as Your SUH409L Coil Processing Supplier?
Specialized in 400 Series Deep Drawing
Personalización basada en soluciones
Flexible Non-Standard Processing
Fast & Flexible Delivery
FAQs About SUH409L Cold Rolled Steel Coils
- Q1: Are you a steel mill or a processing manufacturer?
We are a precision processing manufacturer. We source qualified raw materials and provide slitting, thickness reduction, tempering, edge trimming, cut-to-length, and customized coil processing services.
- Q2: Can you provide SUH409L coils in a custom width?
Yes. We can slit SUH409L cold rolled coils into customized widths, 20mm-1250mm, according to your production requirements.
- Q3: Can you provide material inspection reports?
Yes. Raw material inspection reports or mill test certificates can be provided according to the material source and order requirements.
- Q4: What industries commonly use SUH409L?
SUH409L is commonly used in automotive exhaust systems, mufflers, heat-resistant parts, and industrial components.
- Q5: Can SUH409L be used for deep drawing applications?
Yes. SUH409L offers good formability and is suitable for deep drawing and forming applications when proper hardness and processing conditions are selected.
- Q6: What is the difference between SUH409L and SUS430?
SUH409L and SUS430 are both 400 series ferritic stainless steels, but they are designed for different applications. SUH409L is preferred for high-temperature and welded applications, while SUS430 is more commonly used for decorative and general-purpose stainless steel products.
Explore More 400 Series Stainless Steel Coil Solutions
In addition to SUH409L, we also provide precision processing solutions for other 400 series cold rolled stainless steel coils to meet different industrial application requirements.
Bobina laminada en frío SUH409L
Ideal para sistemas de escape de automóviles, ya que ofrece una resistencia superior a la oxidación y a la corrosión a temperaturas elevadas.
10.5%–11.7%
Cromo
≤0,031 TP3T
Carbono
Bobina laminada en frío SUS410S
Alta resistencia y dureza conseguidas mediante tratamiento térmico. Ideal para elementos de fijación sometidos a grandes esfuerzos y herramientas industriales de precisión.
42 HRC
Dureza
11.5%
Cromo
Bobina laminada en frío de acero SUS430
Excelente calidad de acabado y resistencia a la corrosión. Se utiliza ampliamente en cubertería, menaje de cocina, electrodomésticos y molduras arquitectónicas.
16.0% – 18.0%
Cromo
≤0,121 TP3T
Carbono
¿Estás listo para optimizar el rendimiento de tus materiales?
Nuestro equipo técnico analiza sus muestras y le proporciona especificaciones personalizadas para las bobinas de acero inoxidable con el fin de mejorar el rendimiento del proceso y la estabilidad de la producción.
Colabora con Precision
SEDE CENTRAL MUNDIAL
Calle Xiaxin, Nuevo Parque Industrial, Zona de Desarrollo Económico de Jiedong, ciudad de Jieyang