Incoloy® 825 (Alloy 825) Wire UNS N08825

Incoloy 825 is highly resistant to general and localized corrosion under diverse conditions gives the alloy broad usefulness, especially within demanding Oil & Gas Applications. Additionally, the levels of molybdenum and copper in the alloy enable Nickel 825 to resist reducing agents and acids.

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Incoloy 825 (Inconel 825/Alloy 825) Shaped, Flat, Square, Round, Fine Wire, Plated and Un-plated AMS 5542, ASTM B424, ASTM B425, ASTM B564, ASTM B906

Alloy 825 Wire Description


Alloy 825 is a nickel-iron-chromium-molybdenum-copper alloy containing high levels of chromium, nickel, copper and molybdenum to provide high levels of corrosion resistance to both moderately oxidizing and moderately reducing environments. Far superior when compared to the standard stainless steels. As an austenitic, nickel-base alloy, the material is ductile over a wide range of temperatures from cryogenic to well in excess of 1000°F (538°C). Fabrication of Alloy 825 is typical of nickel-base alloys, with the material readily formable and weldable by a variety of techniques.

Incoloy® 825 Applications

Chemistry Typical


Nickel: 38.00-46.00
Chromium: 19.50-23.50
Iron: 22.00 min
Titanium: 0.06-1.2
Molybdenum: 2.50-3.50
Copper: 1.50-3.00
Carbon: 0.05 max
Manganese: 1.0 max
Sulfur: 0.03 max
Silicon: 0.5 max
Aluminum: 0.2 max

Physical Properties of Incoloy® 825


Density: 0.294 lbs/in³, 8.14 g/cm³

Specific Heat, (32-212°F), Btu/lb•°F, (0-100°C), J/kg•°C:
0.105 (440)

Mean Coefficient of Thermal Expansion: in/in/°F (mm/m/°C):
70-212°F (20-100°C):7.7 x 10-6 (13.9)

Thermal Conductivity: BTU/h-ft-°F (W/m-°K)
At 70°F (21°C): 6.4 (11.1)

Modulus of Elasticity: KSI (MPa)
28.4 x 10³ (196 x 10³) in tension

Permeability at 70°F (21°C) H= 200 Oersted:Annealed: 1.005

Melting Range: 2500-2550°F (1370-1400°C)

Mechanical Properties of Incoloy® 825 at Room Temperature

Annealed Typical

Ultimate Tensile Strength: 85 KSI min (586 MPa min)
Yield Strength: (0.2% offset) 35 KSI min (241 MPa min)
Elongation: 30% min


Properties Tempered


Alloy 825 can be cold rolled to achieve the temper properties required by specific customers and/or manufacturing requirements. Contact Ulbrich Wire for details.

Additional Properties


Corrosion Resistance of Incoloy® 825

Refer to NACE (National Association of Corrosion Engineers) for recommendations

Finishes


Extra Clean: (XC) Extra clean is also referred to as “bright annealed” or “bright annealed and cold rolled”

Grease (round wire only): Drawn in a heavy grease produces an “Ultra bright” finish for decorative applications

Soap (round wire only): Soap is used as a lubricant in the drawing process and is not removed. It acts as a lubricant during customer part forming operation. A soap finish is available in tempered products.

Plated: Many plating options are available.
*Special finishes are available: Contact Ulbrich Wire Sales with special finish and plating requests.

Forms

Heat Treatment


Alloy 825 cannot be hardened using heat treating

Welding Incoloy® 825


For best results refer to: SSINA’s “Welding of Stainless Steels and Other Joining Methods”
*INCOLOY® 825 is a registered trademark of Special Metals Corporation

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels and Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.

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