Standard Grade Trade Name UNS No. DIN BS JIS French Specs INCOLOY 825 UNS N08825 WS 2.4858 NA16 - - Specification BS3072 NA16, BS 3073 NA16, ASTM B 424, ASTM B 906, ASME SB 424, ASME SB 906, DIN 17750, VdTUV 432 Typical use Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localised attack such as pitting and crevice corrosion. Alloy 825 is especially resistant to sulphuric and phosphoric acid. Alloy 825 is used for chemical processing, pollution control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production and pickling equipment and handling of radioactive wastes. Density Melting Range Specific Heat 8.14  g/cm3 1370-1400 ℃ 440  J/kg•℃ Technical Data Sheet Chemical Composition Limits Weight % Ni Fe Cr Mo Cu Ti C Mn S Si Al Alloy 825 38 - 46 22 min 19.5 - 23.5 2.5 - 3.5 1.5 - 3 0.6 - 1.2 0.05 max 1 max 0.03 max 0.5 max 0.2 max Typical Mechanical Properties Material Form and Condition Tensile Strength MPa Yield Strength (0.2% Offset) MPa Elongation (%) Alloy 825 Plate Annealed 662 338 45 Alloy 825 Sheet Annealed 758 421 39 Availability Incoloy 825 is available in Sheet, Plate, Strip, Pipe, Tube, Rod, Round Bar, Flat Bar, Hexagon, Wire and Forging Stock. Please contact Sales for further availability. Services Every order is treated as carefully and timely as possible, and shipments are handled to ensure that all export procedures are followed correctly so that your order arrives in perfect condition as quickly as possible. Disclaimer Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.