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Niazi Stainless, a reputable manufacturer and supplier based in Manama, Bahrain, specializes in high-quality Stainless Steel 439 Sheets and Plates that are built to withstand corrosion, offer durability, and perform well at high temperatures. Thanks to their cutting-edge manufacturing techniques and a commitment to international quality standards, Niazi Stainless guarantees that every sheet and plate provides consistent strength and long-lasting reliability. Their SS 439 Sheets and Plates are perfect for industrial, automotive, and structural applications where resistance to oxidation and scaling is essential. With a strong presence across Bahrain and the GCC, Niazi Stainless has earned a reputation for delivering high-performance stainless steel solutions that meet the toughest operational demands.
The Stainless Steel 439 Sheets and Plates are crafted from a ferritic stainless steel alloy that contains 17–19% chromium, along with small amounts of titanium to boost corrosion resistance and stability. These sheets and plates boast impressive mechanical properties, including good tensile strength, moderate hardness, and robust resistance to scaling at elevated temperatures. SS 439 maintains its shape under thermal cycling and delivers reliable performance in both oxidizing and mildly corrosive environments. Its ferritic structure guarantees toughness, durability, and long-term reliability, making it suitable for a wide range of industrial and structural uses.
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.
Niazi 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 are extensively utilized in industries that demand corrosion resistance, heat stability, and mechanical durability. They are often found in automotive exhaust systems, furnace components, heat exchangers, boilers, and industrial equipment that face high temperatures. In sectors like chemical processing, petrochemicals, and power generation, SS 439 sheets and plates are used for protective panels, ducting, and structural components. Additionally, they are applied in architectural projects, HVAC systems, and high-temperature fabrication units. Their durability and resistance to oxidation make them a go-to choice for many applications.
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