Khaleed Stainless, located in Riyadh, Saudi Arabia, stands out as a top manufacturer and supplier of premium stainless steel products, catering to a diverse array of industrial sectors. The company has built a reputation for providing reliable and durable stainless steel solutions, all while maintaining a strong focus on quality and precision. One of their standout products is the Stainless Steel 439 Bars, which are highly regarded for their impressive corrosion resistance, formability, and performance at high temperatures. Crafted to meet international standards, these bars are perfect for automotive, construction, and industrial uses. Khaleed Stainless expertly blends cutting-edge production technology with skilled craftsmanship to ensure exceptional customer satisfaction throughout the region.
Stainless Steel 439 Bars are a type of ferritic stainless steel that contains about 17–19% chromium, stabilized with titanium, and has a low carbon content (≤0.03%). This specific composition boosts their resistance to intergranular corrosion and oxidation, especially at higher temperatures. The bars boast a tensile strength ranging from 415 to 620 MPa and a yield strength of around 275 MPa, along with good elongation and moderate hardness. Additionally, SS 439 Bars are known for their excellent weldability, formability, and resistance to stress corrosion, making them ideal for applications that demand reliable mechanical performance in mildly corrosive or heat-intensive settings.
| 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.
In the automotive sector, Stainless Steel 439 Bars are frequently utilized for parts like exhaust systems and catalytic converter shells, thanks to their outstanding heat and oxidation resistance. They also find applications in industrial and structural settings, such as heat exchangers, furnace components, and building supports. SS 439 is often the go-to choice in environments where moderate corrosion resistance, strength, and ease of fabrication are crucial. Its weldability and cost-effectiveness further enhance its appeal, making it a practical option for various projects.
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