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Stainless Steel 439 Channel is a tough and budget-friendly ferritic stainless steel option, perfect for structural support and fabrication in challenging environments. It boasts impressive corrosion resistance, especially against oxidation and stress corrosion cracking, making it a go-to choice in industries that prioritize reliability and strength. The inclusion of titanium in its composition enhances the alloy’s weldability and helps prevent intergranular corrosion, which is particularly beneficial for high-temperature and automotive applications. With a blend of formability, toughness, and long-lasting performance, Stainless Steel 439 Channels are ideal for construction, architectural frameworks, exhaust systems, and industrial structures that require efficiency, durability, and resilience against harsh conditions.
This material is mainly made up of iron, chromium (17–19%), and titanium, which boosts its corrosion resistance and weldability. Its ferritic structure ensures stability at high temperatures and guards against intergranular corrosion. In terms of mechanical properties, it has a tensile strength of around 415 MPa, a yield strength of about 275 MPa, and good elongation, making it reliable for fabrication. This grade also offers excellent oxidation resistance up to 875°C, along with lower thermal expansion and better thermal conductivity compared to austenitic stainless steels. These well-rounded properties make Stainless Steel 439 Channels suitable for a variety of structural, automotive, and industrial applications.
Specifications : ASTM A240 / ASME SA240
Size : 1/4″ to 4″
Range : 5mm To 150mm
Thickness : 4.0mm – 100mm
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange)
| Grade | C | Mn | Si | S | P | Cr | Mo | Ti |
| SS 439 | 0.01 max | 0.25 max | 0.35 max | 0.0015 max | 0.02 max | 17.35 | 0.1 | 0.335 |
| Element | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness |
| SS 439 | 7.8 g/cm3 | 438 MPa | 263 MPa | 2.80% | 72.9 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yunus Sheets and Plates based in Istanbul, Turkey, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Stainless Steel 439 Channel offers several key advantages, including excellent resistance to oxidation and corrosion, particularly in high-temperature environments, making it ideal for automotive exhaust systems and heat exchangers. Its ferritic structure ensures good formability and weldability, enhancing its suitability for various structural applications. The alloy’s low carbon content minimizes carbide precipitation during welding, ensuring better strength and durability. Stainless Steel 439 also provides a balance of cost-effectiveness and performance, making it a reliable option for industries such as automotive, manufacturing, and construction, offering long-lasting and maintenance-free solutions.
Yes, we offer custom sizes for Stainless Steel 439 Channel to meet specific project needs. Our team at Yunus Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
| STANDARD | WERKSTOFF NR. | UNS |
| SS 439 | 1.4510 | S43035 |
You’ll find Stainless Steel 439 Channels used across many industries thanks to their versatility and performance. In the automotive world, they’re found in exhaust systems, mufflers, and catalytic converter supports due to their heat and corrosion resistance. In construction and architecture, they serve as roofing supports, cladding frameworks, and structural reinforcements. Industrial uses include heat exchangers, furnace components, and food processing equipment, where hygiene and durability are absolutely essential.
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