Vinit Stainless, a prominent producer and supplier of premium stainless steel products with headquarters in Chennai, India, is renowned for its dedication to quality, creativity, and client-focused solutions. Stainless Steel 439 Bars are one of our premium products that stand out for its strength, longevity, and superior resistance to corrosion. These bars, which are widely used in industrial, construction, and automotive applications, are manufactured in compliance with international standards. In order to satisfy the changing demands of international industries, Vinit Stainless is committed to providing effective, dependable, and value-driven stainless steel solutions.
Titanium is added to stainless steel 439, a ferritic steel that is mainly made up of 17–19% chromium, to improve stability and weldability. It is perfect for environments with aggressive media because of its low carbon content, which greatly increases intergranular corrosion resistance. SS 439 bars continue to function at high temperatures because of their exceptional oxidation resistance, high thermal stability, and resistance to stress corrosion cracking. In heat-intensive settings, their magnetic qualities, along with their superior formability and scaling resistance, make them a potent substitute for austenitic grades.
| Standard | ASTM A276, ASTM A479 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Material Grade | Stainless Steel 439 (UNS S43035) |
| Stainless Steel 439 Bright Bars | Outside Diameter in the range of 4mm to 500mm |
| Stainless Steel 439 Bright Bars | Outside Diameter in the range of 4mm to 100mm |
| Stainless Steel 439 Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
| Stainless Steel 439 Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
| Stainless Steel 439 Flats | 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Grade | C | Si | Mn | P | S | Cr | Ti |
| 439 | 0.070 | 1.00 | 1.00 | 0.040 | 0.030 | 17.00~19.00 | ≥ 0.20+4(C+N)min – 0.50 max |
| Tensile strength | Yiled strength | Elongation | Hardness |
| 455 | 290 | 34 | 78 HB |
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We ensures that all stainless steel 439 panels are rigorously tested to meet the highest standards. Each bar is mechanically, chemically and structurally analyzed. The company offers a range of relevant certifications, including Mill Test Certificates (MTC), to ensure compliance with international standards for durability, efficiency and reliability
439 round bars provide excellent corrosion resistance and high-temperature stability, ideal for automotive exhaust systems, industrial heat exchangers, and furnace components, ensuring durability in harsh environments.
439 flat bars offer good oxidation resistance and mechanical properties, suitable for applications in water heaters, heat exchangers, and structural components in construction exposed to corrosive conditions.
439 square bars are used in automotive and industrial applications, providing excellent corrosion resistance and stability, ideal for making structural components and fittings exposed to high temperatures.
439 rectangular bars deliver strong corrosion resistance and high-temperature performance, perfect for heat exchangers, furnace parts, and structural components in various industrial and construction applications.
439 hexagonal bars offer excellent resistance to oxidation and stress corrosion cracking, ideal for fasteners, fittings, and components in automotive and industrial environments requiring high durability.
439 T-bars provide good corrosion and heat resistance, suitable for structural support in construction and industrial applications, ensuring long-lasting performance in challenging environments.
439 Stainless Steel Bars are widely used in industries where durability, heat resistance, and corrosion resistance are critical. Because of their resistance to high temperatures, they are frequently utilized in air conditioning, exhaust, and pollution control systems in the automotive industry. These bars are also essential in the food processing, petrochemical, and chemical industries where cleanliness and resistance to oxidation are necessary. Heat exchangers, welded tubes, and furnace parts are further uses. They are appropriate for high-temperature industrial fabrication and environmental equipment due to their cost-effectiveness and structural dependability.
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