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Here’s the text we’re looking at: Andre Stainless is a reliable manufacturer and supplier of Stainless Steel 439 Sheets and Plates based in Pulau Ujong, Singapore. They offer high-performance flat-rolled products that are crafted for outstanding corrosion resistance, thermal stability, and cost-effectiveness. With a focus on ferritic stainless steels, Andre Stainless produces SS 439 sheets and plates that find their way into automotive, architectural, and industrial sectors, thanks to their impressive oxidation resistance, good weldability, and enhanced formability. Equipped with state-of-the-art production facilities and a commitment to quality, Andre Stainless provides consistent and trustworthy stainless steel solutions to clients across various industries.
Stainless Steel 439 Sheets and Plates are crafted from a ferritic stainless steel alloy that contains about 17–19% chromium, with titanium and/or niobium added for stabilization. This unique blend enhances weldability and offers better resistance to intergranular corrosion compared to the standard 430 grade. These sheets and plates boast moderate tensile strength (around 380–450 MPa) and maintain excellent oxidation resistance up to 875°C. Their low carbon content and stabilizing elements contribute to structural reliability, especially in high-temperature and welding scenarios.
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.
Andre 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.
You’ll find Stainless Steel 439 Sheets and Plates in a variety of industries, including automotive (particularly in exhaust systems and catalytic converters), HVAC systems, heat exchangers, kitchen equipment, and architectural applications. Their good formability and resistance to rust and scale make them perfect for high-temperature and mildly corrosive environments. SS 439 serves as a budget-friendly alternative to austenitic stainless steels, providing a long service life and requiring minimal maintenance. Its thermal stability, corrosion resistance, and ease of fabrication make it a go-to choice for engineers and fabricators looking for dependable performance in both structural and functional components.
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