Niazi Stainless, based in Manama, Bahrain, has earned a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products, particularly Stainless Steel 439 Bars, which are perfect for a variety of industrial uses. With a strong focus on precision, durability, and exceptional craftsmanship, Niazi Stainless ensures that their bars comply with rigorous international standards. These Stainless Steel 439 Bars are designed to offer outstanding corrosion resistance, heat stability, and reliability, making them a great fit for challenging environments. Thanks to their state-of-the-art manufacturing facilities and a customer-centric approach, Niazi Stainless consistently provides trustworthy, long-lasting stainless steel solutions both in Bahrain and beyond.
The Stainless Steel 439 Bars are crafted from a ferritic stainless steel alloy that contains 17–18% chromium, along with very low carbon content and small amounts of titanium or niobium for stabilization. This unique composition boosts corrosion resistance, especially against stress corrosion cracking and oxidation at high temperatures. On the mechanical side, these bars showcase impressive tensile strength, excellent thermal stability, and enhanced formability. Their ferritic structure guarantees dimensional stability when exposed to heat, making them ideal for applications that demand both durability and resistance to thermal cycling.
| 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 |
Contact us to get a quick quote for your requirement.
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.
You’ll find Stainless Steel 439 Bars commonly used in automotive exhaust systems, heat exchangers, industrial machinery, and furnace components, all thanks to their remarkable heat and oxidation resistance. They’re also a great choice for structural applications, kitchen equipment, and architectural features where durability and moderate corrosion resistance are key. Plus, these bars excel in environments that experience thermal cycling, making them a go-to option for HVAC systems and processing equipment. Niazi Stainless offers Stainless Steel 439 Bars in a range of sizes and grades to cater to both standard and custom needs, ensuring reliable performance across various industrial sectors.
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