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stainless steel 409l coils
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Stainless Steel 409L Coils Product Attributes
| Attribute | Parameter | Description |
|---|---|---|
| Product Name | Stainless Steel 409L Coil | Low carbon ferritic stainless steel coil known for corrosion resistance and heat resistance, used in automotive and industrial applications. |
| Material Grade | 409L / UNS S40920 | Titanium stabilized grade with improved welding performance and resistance to intergranular corrosion. |
| Chemical Composition | C ≤ 0.03%, Cr 10.5–11.75%, Mn ≤ 1.0%, Si ≤ 1.0%, P ≤ 0.045%, S ≤ 0.03% | Optimized for corrosion resistance with lower carbon to reduce carbide precipitation and improve weldability. |
| Thickness Range | 0.2 mm – 16 mm | Thickness options suitable for automotive exhaust systems, heat exchangers, and structural parts. |
| Width Range | 300 mm – 2000 mm | Width customizable to fit various fabrication needs. |
| Surface Finish | 2B, 2D, NO.1, Annealed, Pickled | Multiple finishes available including annealed and pickled for improved surface quality. |
| Mechanical Properties | Tensile Strength 380-580 MPa, Yield Strength ≥ 175 MPa, Elongation ≥ 25%, Hardness ≤ 170 HB | Good strength, ductility, and hardness performance at room and elevated temperatures. |
| Corrosion Resistance | Good resistance to chloride corrosion, seawater, marine atmospheres, and high humidity | Excellent resistance in harsh and high-temperature environments. |
| Welding & Fabrication | Excellent welding performance, low carbide precipitation risk | Suitable for manufacturing automotive exhaust components and heat exchangers with minimal weld zone cracking. |
| Applications | Automotive exhaust systems, heat exchangers, industrial parts | Widely used in automobiles for exhaust manifolds, mufflers, and structural heat-resistant parts. |
Stainless Steel 409L Coils Product Introduction
Stainless Steel 409L Coils: Uses and Applications
Stainless Steel 409L coils are primarily used in the automotive industry for exhaust systems, heat exchangers, and engine components owing to their excellent heat resistance and oxidation stability. These coils also find applications in industrial equipment exposed to high temperatures and corrosive environments, such as boilers and furnaces. The ability of stainless steel 409L coils to withstand chloride corrosion makes them suitable for use in outdoor and marine atmospheres, providing value through durability and performance in harsh conditions.
Specifications and Key Parameters
409L stainless steel coils typically have thicknesses ranging from 0.2mm to 8mm and widths from 600mm to 2000mm, with maximum coil weights up to 25 metric tons. They are available in finishes such as 2B, 2D, NO.1, and annealed pickling. The chemical composition includes low carbon content (maximum 0.03%), chromium (10.5-11.75%), and minimal nickel content, which enhances corrosion resistance and improves weldability compared to regular 409 coils. These coils comply with ASTM, ASME, and EN standards, ensuring reliability and quality for industrial use.
Performance Advantages and Industry Suitability
The low carbon content in stainless steel 409L coils reduces sensitization during welding, resulting in superior corrosion resistance and mechanical toughness at both high and low temperatures. Their strength, good elongation, and hardness levels make them suitable for automotive exhaust parts, HVAC systems, and heat exchanger components. Manufacturers and procurement teams benefit from 409L coils’ cost-effectiveness combined with durability, optimizing both performance and budget in industries like automotive, energy, and construction.
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Company video
After more than a decade of continuous investment and innovation, Feihong Steel Co., Ltd. has now developed into a leading enterprise in the industry with a complete industrial chain, a wide range of product specifications, prompt supply, excellent product quality, strong industry influence and good social reputation. Currently, our products are mainly sold to the eastern region of China and over 40 countries and regions, such as Southeast Asia, South Asia, West Asia, Eastern Europe, South America, etc. Our stainless steel series products have consistently ranked among the top in China for many years.
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
