Standard Grade Trade Name UNS No. DIN BS JIS French Specs INCOLOY 825 UNS N08825 WS 2.4858 NA16 NCF825TB - Specification BS 3074 NA16,ASTM B163, ASME SB 163,ASTM B 423, ASME SB 423,ASTM B704, ASME SB 704,ASTM B 705, ASME SB 705,ASTM B 751, ASME SB 751,ASTM B 755, ASME SB 755,ASTM B 829, ASME SB 829,DIN 17751, VdTUV 432, JIS G4904 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. Weight Formula Average Wall: (OD-WT) x WT x 0,0260 = Kg/m (all sizes in mm) Minimum Wall: (OD-WT) x WT x 0,0270 = Kg/m (all sizes in mm) Technical Data Sheet Chemical Composition Limits Weight % Ni Fe Cr Mo Cu Ti C Mn S Si Al Incoloy 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 Tube Annealed 772 441 36 Alloy 825 Tube Cold Drawn 1000 889 15 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.