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Data Sheet:

Nickel Super Alloy 825

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

    

Availability

Alloy 825 is available in Sheet, Plate, Strip, Pipe, Tube, Rod, Round Bar, Flat Bar, Hexagon, Wire and Forging Stock. View Stock List, Plate Stock List or contact Sales for further availability.

  

Specifications

Alloy 825 Nickel Alloy is covered by the following specifications:

 

UNS N08825, Werkstoff Number 2.4858, Tradename INCOLOY Alloy 825

    

Alloy 825 Sheet, Strip and Plate

BS 3072 NA16

BS 3073 NA 16

ASTM B 424

ASTM B 906

ASME SB 424

ASME SB 906

DIN 17750

VdTUV 432

Alloy 825  Rod, Bars, Forgings

BS 3076 NA 16

ASTM B 425

ASTM B 564

ASME SB 425

ASME SB 564

ASME Code Case N-572

DIN 17752, DIN 17753, DIN 17754

VdTUV 432

  

Alloy 825 Pipe and Tube

BS 3074 NA 16

ASTM B163, ASME SB 163

ASTM B 423, ASME SB 423

ASTM B 704, 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

  

Other Similar Specifications

ASTM B366

ASME SB 366

DIN 17744

   

RESISTANCE TO OXIDATION and CORROSION

Alloy 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.  

   

APPLICATIONS

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.

  

TYPICAL MECHANICAL PROPERTIES 

Alloy 825 Tensile Strength (MPa) 0.2% Offset Yield Strength (MPa)

Elongation in  (%)

Tubing Annealed 772 441 36
Tubing Cold Drawn 1000 889 15
Bar, Annealed 690 324 45
Plate, Annealed 662 338 45
Sheet, Annealed 758 421 39

Typical Room Temperature Tensile Properties

 

Contact Sales for stock availability 

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.

 

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