1.4539 plate (UNS N08904) is a superaustenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments. The combination of 1.4539 plate high chromium and nickel content, coupled with additions of molybdenum and copper, assure good to excellent corrosion resistance.
1.4539 plate Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
1.4539 plate material, offers good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C. 1.4539 plate material can be solution heat-treated at 1090 to 1175°C by following by rapid cooling method. Thermal treatment is suitable for hardening it. 1.4539 sheet major applications are oil refinery equipment, Pulp and paper processing industries, gas scrubbing plants, etc
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