Mbemba Stainless is a known stainless steel product manufacturer and supplier located in Kinshasa, Congo. The company boasts a commitment towards excellence and innovation and specializes in providing stainless steel solutions at premium quality across various industries. With regards to durability, strength, and resistance to corrosion, we offers an array of stainless steel products, most of which is the very sought-after Stainless Steel 439 Bars. Bars were prepared to worldwide specifications and found wide acceptance in areas related to autos, industries, and manufacturing areas. Mbemba Stainless follows customer requirements of efficiency and reasonable value.
**Stainless Steel 439 Bars** mainly consist of iron, featuring 17–19% chromium, low carbon (≤0.03%), and titanium for stabilization. Thanks to their ferritic structure, they offer remarkable resistance to oxidation, stress corrosion, and scaling at elevated temperatures. With a tensile strength ranging from 450–600 MPa and a yield strength of about 300 MPa, these bars also boast good ductility and weldability. Their mechanical stability and resistance to intergranular corrosion make them a great choice for applications that demand long-lasting durability, high strength, and moderate heat resistance.
| 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** widely used in **automotive exhaust systems, heat exchangers, food processing equipment, chemical processing, and construction industries**. Their resistance to corrosion and oxidation makes them ideal for high-temperature settings and mildly corrosive conditions. These bars are also utilized in the fabrication of tubes, furnace components, and industrial machinery. Thanks to their excellent weldability and thermal stability, they are the go-to choice for structural applications and equipment that need to withstand thermal fatigue, ensuring dependable performance and a long service life in tough industrial environments.
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