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Based in the heart of Hamilton, Will Sheetsandplates is your trusted local source for high-quality stainless steel. We take pride in supplying our customers with reliable materials like Stainless Steel 439, a versatile and highly practical grade. Known for its excellent durability and resistance, this particular product is an ideal solution for a wide range of demanding projects, offering exceptional value without compromising on performance for both commercial and industrial applications across New Zealand.
Stainless Steel 439 is carefully formulated with a touch of titanium added to its composition, which gives it a real advantage. This addition makes it incredibly stable, even when faced with high temperatures, preventing a specific type of corrosion that can weaken other steels. The result is a material that is not only easy to form and weld but also offers a great balance of strength and toughness, making it a dependable and workable choice for fabricators.
| 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 |
You’ll find Stainless Steel 439 sheets and plates hard at work in many everyday and industrial settings. It’s a top choice for automotive exhaust systems, where it handles heat and condensation beautifully. Its resistance to corrosion also makes it perfect for a variety of architectural applications, kitchen equipment, and heat exchangers. Essentially, wherever a project calls for a cost-effective stainless steel that can stand up to challenging environments, 439 proves to be an exceptionally reliable and versatile material.
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