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Ranya Stainless, a reputable manufacturer and supplier based in Muscat, Oman, specializes in high-quality Stainless Steel 439 Sheets and Plates. These products are designed to excel in automotive, industrial, and structural applications. Renowned for their durability, heat resistance, and cost-effective corrosion protection, Ranya Stainless’s SS 439 Sheets and Plates are crafted to meet international quality standards. The company prides itself on ensuring a consistent supply, precision manufacturing, and dependable product quality, serving a variety of industries across Oman with materials that promise a long service life, exceptional stability, and enhanced fabrication characteristics, especially in moderate to high-temperature settings.
The Stainless Steel 439 Sheets and Plates are primarily made from ferritic stainless steel, featuring chromium and low carbon content, which provides excellent oxidation resistance and improved weldability. On the mechanical side, SS 439 boasts good tensile strength, moderate ductility, and enhanced resistance to stress corrosion cracking. Its stabilized structure helps minimize grain growth at elevated temperatures, ensuring both dimensional stability and mechanical reliability. These sheets and plates also show impressive heat resistance, making them perfect for applications that involve thermal cycling and prolonged exposure to high temperatures.
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.
Ranya 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 commonly used in automotive exhaust systems, heat exchangers, catalytic converter components, and mufflers, thanks to their outstanding heat and oxidation resistance. They’re also utilized in industrial ducting, furnace parts, kitchen equipment, and appliance panels where durability and long-term corrosion resistance are crucial. In the construction sector, SS 439 Sheets and Plates are employed for architectural cladding, structural elements, and interior applications that require superior formability. Their high corrosion resistance and thermal stability make them ideal for environments that face heat, moisture, and chemical exposure.
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