Harsh Metalloys is a trusted manufacturer and supplier of Stainless Steel 439 Bars in Mumbai, India, offering premium-grade products for industrial, structural, and fabrication needs. SS 439 is a titanium-stabilized ferritic stainless steel known for its enhanced corrosion resistance, especially in oxidizing environments. These bars exhibit excellent weldability, good formability, and high resistance to stress corrosion cracking, making them a reliable choice for various applications. Available in a wide range of sizes and finishes, Harsh Metalloys provides SS 439 bars with precision-engineered quality, adhering to both Indian and international standards for durability and performance in demanding conditions.
Stainless Steel 439 Bars contain 17–19% chromium with titanium additions that stabilize the structure and improve weldability. This ferritic alloy offers low carbon content, enhancing resistance to intergranular corrosion. It delivers a tensile strength of 380–450 MPa and maintains good ductility and formability. SS 439 exhibits excellent resistance to oxidation and scaling at high temperatures. Harsh Metalloys ensures every bar features consistent mechanical performance, accurate dimensions, and smooth surface finish. These bars are ideal for machining, forming, and welding processes where cost-efficiency and corrosion resistance are essential.
| 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.
Stainless Steel 439 Bars are used in a variety of applications including automotive exhaust systems, heat exchangers, architectural trim, commercial kitchen equipment, and fuel burner components. Their strong resistance to heat, corrosion, and oxidation makes them particularly suitable for high-temperature environments. SS 439 bars are often chosen as a cost-effective alternative to austenitic grades like 304 and 409 in moderately corrosive conditions. Harsh Metalloys provides these bars in custom lengths and diameters to suit customer specifications. The bars’ durability, ease of fabrication, and excellent surface quality make them suitable for use in both industrial and decorative structures.
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