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Wuxi Yansheng Technology Co., Ltd. is proud to present our Hot Rolled Surface SUS409L 2mm Automotive Exhaust Components Stainless Plate. As a manufacturer with over 101–200 skilled employees and an annual export value of US$50 million to US$100 million, we specialize in delivering high-quality stainless steel products for the automotive industry. This plate is specifically designed for exhaust systems, offering excellent oxidation resistance and durability at elevated temperatures. Our factory, spanning 1,000–3,000 square meters in Wuxi, Jiangsu, China, is equipped with advanced processing lines to ensure consistent thickness and surface quality. With a strong presence in global markets including North America, Europe, and Asia, we are committed to providing reliable solutions for your automotive exhaust needs.
The SUS409L grade is a ferritic stainless steel with low carbon content, making it particularly suitable for applications requiring good weldability and formability. The hot rolled surface (No.1 finish) provides a cost-effective option for components that will be further processed or coated. This 2mm thick plate offers the perfect balance between strength and weight, ideal for exhaust manifolds, mufflers, pipes, and other exhaust system parts. Below, we detail the technical specifications and advantages of this product.
Product Features & Specifications
Material Grade: SUS409L (equivalent to AISI 409L) – ferritic stainless steel with low carbon for improved weldability.
Surface Finish: Hot rolled, No.1 finish – matte gray surface, suitable for further processing or painting.
Thickness: 2 mm (tolerance ±0.1 mm, customizable upon request).
Width & Length: Standard widths from 1000 mm to 2000 mm, lengths from 2000 mm to 6000 mm; custom sizes available.
Application: Automotive exhaust components – manifolds, catalytic converters, mufflers, pipes, and heat shields.
Weldability: Excellent due to low carbon content, reducing the risk of intergranular corrosion.
Heat Resistance: Good oxidation resistance up to 750°C in continuous service, making it suitable for exhaust systems.
Corrosion Resistance: Adequate resistance to exhaust gas condensate and road salt, especially when coated or treated.
Formability: Good ductility allows bending, stamping, and deep drawing for complex shapes.
| Parameter | Value | Notes |
|---|---|---|
| Material | SUS409L (AISI 409L) | Ferritic stainless steel |
| Thickness | 2.0 mm | Tolerance: ±0.1 mm |
| Surface | Hot Rolled (No.1) | Matte, pickled |
| Width | 1000–2000 mm | Customizable |
| Length | 2000–6000 mm | Custom sizes available |
| Tensile Strength | ≥ 380 MPa | Typical |
| Yield Strength | ≥ 170 MPa | Typical |
| Elongation | ≥ 25% | Typical |
Benefits for Your Business
Cost-Effective: Hot rolled SUS409L offers a lower material cost compared to austenitic grades while maintaining sufficient performance for exhaust systems.
Excellent Weldability: Low carbon content reduces the risk of weld decay, ensuring strong and durable joints in exhaust assembly.
Lightweight Design: At 2mm thickness, this plate provides good strength-to-weight ratio, helping reduce overall vehicle weight and improve fuel efficiency.
Thermal Stability: Withstands the high temperatures and thermal cycling typical of automotive exhausts without significant scaling or deformation.
Corrosion Protection: Adequate resistance to exhaust condensation and road environment, especially when combined with protective coatings (optional).
Customizable Dimensions: We offer flexible cutting to your exact width and length requirements, minimizing waste and secondary processing.
Global Logistics: Shipped from major Chinese ports (Tianjin, Shanghai, Qingdao, Ningbo) with reliable export packaging to protect during transit.
Trust & Reliability
Since 2017, Wuxi Yansheng Technology Co., Ltd. has been dedicated to manufacturing high-quality stainless steel products. With a factory size of 1,000–3,000 m² and a team of 101–200 professionals, we have the capacity to fulfill large orders while maintaining strict quality control. Our company holds multiple certifications including ISO9001, ISO14000, ISO16949, HACCP, SA8000, OHSAS18001, QS9000, TL900, and others, demonstrating our commitment to quality, environment, and social responsibility. Our annual export value of US$50 million to US$100 million reflects the trust our global customers place in us. We serve markets across North America, South America, Europe, Asia, Africa, and Oceania, providing customized solutions for automotive exhaust components. Contact us today to discuss your requirements and experience the reliability of a proven manufacturer.
Order Now: Whether you need standard plates or custom dimensions, our team is ready to provide a competitive quotation and fast delivery. Let us help you optimize your exhaust system production with high-quality SUS409L stainless plates.
Frequently Asked Questions
Q: What is the maximum temperature this SUS409L plate can withstand?
A: SUS409L offers good oxidation resistance up to approximately 750°C in continuous service. For intermittent use, it can withstand higher temperatures, but it is primarily designed for automotive exhaust systems where temperatures typically range from 400°C to 700°C.Q: Can you provide cut-to-size plates with tight thickness tolerances?
A: Yes, we offer custom cutting to your specified dimensions. The standard thickness tolerance for 2mm plate is ±0.1mm, but tighter tolerances can be arranged upon request.Q: Is this plate suitable for welding with common methods (MIG, TIG)?
A: Absolutely. The low carbon content of SUS409L minimizes the risk of intergranular corrosion after welding, making it very weldable using standard techniques like MIG, TIG, or resistance welding.Q: What certifications do you have for quality assurance?
A: Our company holds multiple certifications including ISO9001, ISO14000, ISO16949, QS9000, TL900, HACCP, SA8000, OHSAS18001, and others. We can provide mill test certificates and inspection reports upon request.Q: What is the typical lead time for an order?
A: For standard sizes and quantities, the lead time is usually 15–20 days after order confirmation. Custom sizes or large volumes may require 20–30 days. We always confirm the schedule with you before production.Q: Do you offer samples for testing?
A: Yes, we can provide small samples (e.g., 200x200mm pieces) at a nominal cost. Contact our sales team to arrange sample shipment.Q: How is the plate packaged to prevent damage during shipping?
A: Our standard export packaging includes steel straps, waterproof paper, and protective edge materials. Plates are packed in wooden crates or pallets as needed to ensure safe transit.Q: Can I request a surface coating or additional treatment?
A: Yes, we can arrange optional treatments such as pickling, passivation, or painting. Please inform us of your specific requirements for a tailored solution.
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