Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for delivering top-notch stainless steel products tailored for both industrial and commercial needs. One of their standout offerings, Stainless Steel 439 Bars, is highly regarded for its impressive corrosion resistance, strength at high temperatures, and overall durability. This ferritic stainless steel grade is designed to perform reliably in tough environments, making it a great fit for industries like automotive, chemical processing, and power generation. Crafted with precision and adhering to international standards, Nakamura Stainless guarantees that their Stainless Steel 439 Bars provide consistent quality, long-lasting performance, and mechanical stability across a variety of applications.
These bars are made from ferritic stainless steel, containing 17–19% chromium along with small amounts of titanium and molybdenum, which boost their corrosion resistance and mechanical stability. They offer solid tensile and yield strength, along with resistance to scaling and stress corrosion cracking, even at elevated temperatures. Thanks to their ferritic structure, they maintain dimensional stability, toughness, and dependable performance under both thermal and mechanical stress, making them perfect for industrial applications that face moderate corrosive and oxidizing conditions.
| 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.
Stainless Steel 439 Bars find their place in various industries that demand materials resistant to corrosion and capable of withstanding heat. They’re frequently used in automotive exhaust systems, furnace components, boilers, and heat exchangers due to their outstanding oxidation resistance. Additionally, sectors like chemical processing, power generation, and food processing rely on them for dependable performance in piping, structural elements, and equipment that encounter high temperatures. With their robust durability, strength, and corrosion resistance, Stainless Steel 439 Bars offer reliable solutions for a wide range of industrial and engineering applications.
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