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Based in Delhi, India, Khush Sheets and Plates is a top producer and supplier of stainless steel 439 sheets and plates. Khush is dedicated to providing high-quality SS 439 products that are precise, long-lasting, and resistant to corrosion. The business serves the automotive, construction, and manufacturing sectors and is supported by state-of-the-art production facilities and a highly qualified workforce. Khush Sheets and Plates is a well-known brand for stainless steel solutions in both domestic and foreign markets, distinguished by its dependable service, affordable prices, and prompt delivery.
The main constituents of stainless steel 439 sheets and plates are low carbon (maximum 0.03%) and chromium (17–19%), with trace amounts of silicon, titanium, and molybdenum. Excellent resistance to oxidation and corrosion is provided by this ferritic stainless steel grade, especially in automotive exhaust environments. It offers good ductility and thermal conductivity, as well as a yield strength of 275 MPa and a tensile strength of about 415 MPa. Additionally, SS 439 has excellent formability and weldability, which makes it appropriate for uses requiring both strength and simplicity of fabrication.
| Specifications | ASTM A240, ASME SA240 |
| Standard | JIS, ASTM, AISI, GB, EN, DIN |
| Surface | 2B, 2D, BA, NO.4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching |
| Finish | Cold rolled, Hot rolled |
| Width | 1000-2000mm |
| Length | 1000-6000mm |
| Thickness | 0.40mm – 6.00mm |
| Grade | Fe | Cr | Si | Ti | Mn | Ni | Mo | Nb/Cb | P | N | C | S |
| SS 439 | 81.3535 | 17.35 | 0.35 | 0.335 | 0.25 | 0.200 | 0.1 | 0.02 | 0.02 | 0.0100 | 0.01 | 0.0015 |
| Tensile strength (annealed) | 438 MPa | 63500 psi |
| Yield strength (annealed/ @strain 0.200 %) | 263 MPa | 38100 psi |
| Modulus of elasticity | GPa | ksi |
| Poisson’s ratio | 0.270 – 0.290 | 0.270 – 0.290 |
| Elongation at break (In 2″, 50% cold worked) | 2.80% | 2.80% |
| Hardness, Rockwell B (annealed) | 72.9 | 72.9 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
UNS S43035 Sheets and Plates offer several key advantages, including excellent resistance to oxidation and corrosion, especially in high-temperature environments. This makes it ideal for automotive exhaust systems and heat exchangers. Its high strength and durability ensure long-lasting performance even in harsh conditions. The material also offers good weldability and formability, making it easy to fabricate into various shapes and sizes. Additionally, 439 stainless steel is cost-effective compared to other high-performance alloys, providing a reliable and economical solution for applications requiring superior heat resistance and mild corrosion protection.
| Grade | WERKSTOFF NR. | UNS |
| SS 439 | 1.4510 | S43035 |
Applications where heat stability and corrosion resistance are essential frequently use stainless steel 439 sheets and plates. Because of their high-temperature resistance and thermal conductivity, they are frequently utilised in exhaust systems, catalytic converters, and mufflers in the automotive industry. SS 439 is utilised in the construction industry for structural elements, roofing, and cladding. Additionally, it works well with heat exchangers, industrial ventilation systems, and commercial kitchen equipment. In harsh environments, SS 439 is a great option for both indoor and outdoor applications because of its exceptional weldability and minimal maintenance requirements.
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