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Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of stainless steel 439 sheets and plates for corrosion-resistant and high-temperature applications. Produced using modern rolling technology and strict quality controls, these sheets and plates offer uniform thickness, smooth surface finish, and reliable performance. Stainless steel 439 is a stabilized ferritic grade known for its excellent resistance to oxidation and thermal fatigue. Walid Stainless serves industries such as automotive, construction, power generation, and industrial fabrication, delivering durable materials, consistent quality, and dependable service to meet diverse project requirements.
Stainless steel 439 is a ferritic stainless steel alloyed with chromium and stabilized with titanium to improve weldability and resistance to intergranular corrosion. Its low carbon content enhances structural stability at elevated temperatures. The material provides good tensile strength, excellent resistance to oxidation, and reliable performance under thermal cycling. While offering moderate ductility compared to austenitic grades, stainless steel 439 maintains dimensional stability and mechanical integrity, making it suitable for applications exposed to heat, exhaust gases, and mildly corrosive environments.
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.
Walid 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.
Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of stainless steel 439 sheets and plates for corrosion-resistant and high-temperature applications. Produced using modern rolling technology and strict quality controls, these sheets and plates offer uniform thickness, smooth surface finish, and reliable performance. Stainless steel 439 is a stabilized ferritic grade known for its excellent resistance to oxidation and thermal fatigue. Walid Stainless serves industries such as automotive, construction, power generation, and industrial fabrication, delivering durable materials, consistent quality, and dependable service to meet diverse project requirements.
Composition & Mechanical Properties
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