Located in Delhi, India, Harshita Stainless is a well-known producer and supplier of stainless steel 439 bars, providing dependable and reasonably priced solutions for applications needing superior formability and corrosion resistance. Stainless Steel 439 is a ferritic stainless steel stabilised with titanium that works well in oxidising and mildly corrosive conditions. These bars are offered by Harshita Stainless in a range of sizes and finishes to accommodate structural, automotive, and industrial uses. Serving a wide range of customers in industries including automotive exhaust systems, heat exchangers, kitchen equipment, and fabrication in India and abroad, the company places a high priority on quality, accuracy, and on-time delivery.
The main components of stainless steel 439 bars are titanium (≥10×C%) for stabilisation and chromium (17–19%) with a low carbon content (≤0.03%). Small amounts of silicon, molybdenum, and manganese are also present in the alloy. Particularly in mildly corrosive environments, this ferritic stainless steel provides good resistance to oxidation and corrosion. In terms of mechanical properties, 439 bars have a tensile strength of roughly 415–600 MPa, a yield strength of roughly 275 MPa, and an elongation of roughly 20–30%. They are perfect for high-temperature applications because of their outstanding weldability, strong resistance to stress corrosion cracking, and stability during 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.
Applications requiring high corrosion resistance, heat resistance, and ease of fabrication frequently use stainless steel 439 bars. Because of their high-temperature strength and resistance to oxidation, they are frequently utilised in exhaust systems, catalytic converters, and mufflers in the automotive industry. They are also used in furnace parts, water heaters, commercial kitchen appliances, and heat exchangers. They are appropriate for general fabrication in engineering and construction as well as structural applications due to their formability and weldability. In mildly corrosive and heat-intensive settings, stainless steel 439 bars offer a strong and affordable substitute for austenitic stainless steels.
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