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Lecong Stainless is a trusted manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 439 Sheets and Plates that are built to resist corrosion and stand the test of time. These sheets and plates are recognized for their impressive ability to handle high temperatures, scaling, and oxidation, all while offering great formability and weldability. Stainless Steel 439, which is a ferritic grade of stainless steel, provides better resistance to stress corrosion cracking and outperforms standard stainless steels. With cutting-edge production techniques and strict quality control, Lecong Stainless guarantees that their Stainless Steel 439 Sheets and Plates comply with international standards, making them perfect for a wide range of industrial and structural uses.
The composition of Stainless Steel 439 Sheets and Plates mainly includes iron, chromium (17–19%), titanium, and a low carbon content, which together deliver outstanding corrosion and oxidation resistance. The addition of titanium not only boosts weldability but also minimizes carbide precipitation, ensuring long-lasting durability. These sheets and plates boast mechanical properties like a tensile strength of approximately 380–450 MPa, a yield strength of around 205 MPa, and good elongation. Their ferritic structure enhances dimensional stability and resistance to stress corrosion cracking, while their combination of toughness and heat resistance makes them ideal for continuous use in challenging industrial settings.
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 |
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Stainless Steel 439 Hot Rolled Sheets have excellent corrosion resistance. The sheets are available in sizes from 3mm to 150mm in thickness and up to 2500mm in width. They are widely used in the construction and automotive industries.
Superior corrosion resistance is given by Stainless Steel 439 Cold Rolled Plates. These plates are produced in the thickness range from 0.5mm up to 6mm and in width up to 2000mm with a smoother surface finish and mechanical properties better than hot-rolled plates.
Stainless Steel 439 Chequered Sheets feature superior corrosion resistance. The available range is common from 1.5mm up to 10mm thickness in chequered pattern sheets for anti-slip purposes such as floor plates, stair treads, and various forms of stair flooring.
Stainless Steel 439 Perforated Plates give an excellent level of corrosion protection. These can be offered from 0.5mm through to 5mm in several hole sizes and patterns for different purposes like filtering, ventilation and for decorative reasons in various engineering applications.
Corrosion resistive Stainless Steel 439 Shim Sheets are manufactured using thin-precision-cut steel sheet, between 0.05mm to 3mm which are used by engineering applications at tighter tolerances to space and align.
Stainless Steel 439 Polished Plates offer excellent corrosion resistance. Plates available in thickness from 0.5mm to 6mm and widths up to 2000mm with a high-gloss finish are ideal for architectural and decorative applications.
Lecong Stainless is committed to the delivering of premium quality accompanied by comprehensive documentation for our premium Stainless Steel 439 Sheets and Plates. Some of the essential documents being: commercial invoice, packing list, fumigation certificate, heat treatment charts, quality assurance plans, and NABL approved lab test reports. These documents validate the quality and origin of the product, thereby giving confidence and trust with the valued customers. With an inherent high creep strength, as well as oxidation, our Stainless Steel 439 sheets and plates consist of test certificates, such as MTC under EN 10204/3.1B, PMI test certificates, 100 % radiography reports, and also third-party inspection.
Stainless Steel 439 Sheets and Plates find extensive applications in industries that demand durability, oxidation resistance, and formability. They’re commonly used in automotive exhaust systems, heat exchangers, industrial furnaces, and chemical processing equipment. In construction, you’ll see them in cladding, architectural features, and structural components. Their remarkable resistance to high temperatures and scaling makes them a great choice for power generation plants, boilers, and thermal equipment. Plus, Stainless Steel 439 Sheets and Plates are also utilized in food processing applications, showcasing their versatility across various sectors.
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