Nickel Alloy 825 (2.4858, N08825, NA16)

Nickel Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.2g/cm³

Elastic Modulus200GPa

Tensile Strength650MPa

Yield Strength260MPa

Brinell HardnessUnknown

Maximum Service Temperature980°C

Weight Calculator

Chemical Composition

0 to 0.050%

19.5 to 23.5%

38 to 46%

2.5 to 3.5%

0 to 1.0%

0 to 0.050%

0 to 0.030%

1.5 to 3.0%

0.6 to 1.2%

0 to 0.2%

22 to 37.9%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

34 %

Fatigue Strength

190 MPa

Poisson's Ratio

0.28

Shear Modulus

78 GPa

Shear Strength

430 MPa

Tensile Strength: Ultimate (UTS)

650 MPa

Tensile Strength: Yield (Proof)

260 MPa

Physical

Density

8.2 g/cm 3

Thermal

Curie Temperature

-200 °C

Latent Heat of Fusion

300 J/g

Maximum Temperature: Mechanical

980 °C

Melting Completion (Liquidus)

1400 °C

Melting Onset (Solidus)

1370 °C

Specific Heat Capacity

460 J/kg-K

Thermal Conductivity

11 W/m-K

Thermal Diffusivity

2.9 mm 2 /s

Thermal Expansion

14 µm/m-K

Thermal Shock Resistance

17 points

Electrical

Electrical Conductivity: Equal Volume

1.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.7 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m 3

Resilience: Unit (Modulus of Resilience)

170 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

22 points

Strength to Weight: Bending

20 points

Environmental

Base Metal Price

41 % relative

Embodied Carbon

7.2 kg CO 2 /kg material

Embodied Energy

100 MJ/kg

Embodied Energy

100 MJ/kg 43 x 10 3 BTU/lb

Embodied Water

230 L/kg

Embodied Water

230 L/kg 28 gal/lb

Registered Designations & Aliases

2.4858N08825NA16Nickel Alloy 825 (2.4858, N08825, NA16)

Standards

ASTM B423 ASTM B423: Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221) Seamless Pipe and Tube

ASTM B423 ASTM B423: Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and N08221) Seamless Pipe and Tube ASTM B424: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Plate, Sheet, and Strip ASTM B425: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar ASTM B704: Standard Specification for Welded UNS N06625, UNS N06219 and UNS N08825 Alloy Tubes ASTM B705: Standard Specification for Nickel-Alloy (UNS N06625, N06219 and N08825) Welded Pipe ASTM B564: Standard Specification for Nickel Alloy Forgings Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009

ASTM B424 ASTM B424: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Plate, Sheet, and Strip

ASTM B425 ASTM B425: Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221) Rod and Bar

ASTM B564 ASTM B564: Standard Specification for Nickel Alloy Forgings

ASTM B704 ASTM B704: Standard Specification for Welded UNS N06625, UNS N06219 and UNS N08825 Alloy Tubes

ASTM B705 ASTM B705: Standard Specification for Nickel-Alloy (UNS N06625, N06219 and N08825) Welded Pipe