Nickel Alloy 625 (N06625, NA21)

Nickel Alloys

Material conditionsolution annealed (AT)

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.6g/cm³

Elastic Modulus200GPa

Tensile Strength790MPa

Yield Strength320MPa

Brinell HardnessUnknown

Maximum Service Temperature980°C

Weight Calculator

Chemical Composition

0 to 0.1%

20 to 23%

58 to 68.9%

8.0 to 10%

0 to 0.5%

0 to 0.015%

3.2 to 4.2%

0 to 0.4%

0 to 1.0%

0 to 5.0%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

34 %

Fatigue Strength

240 MPa

Poisson's Ratio

0.29

Shear Modulus

79 GPa

Shear Strength

530 MPa

Tensile Strength: Ultimate (UTS)

790 MPa

Tensile Strength: Yield (Proof)

320 MPa

Physical

Density

8.6 g/cm 3

Thermal

Curie Temperature

-200 °C

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

980 °C

Melting Completion (Liquidus)

1350 °C

Melting Onset (Solidus)

1290 °C

Specific Heat Capacity

440 J/kg-K

Thermal Conductivity

11 W/m-K

Thermal Diffusivity

2.9 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

22 points

Electrical

Electrical Conductivity: Equal Volume

1.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.4 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

220 MJ/m 3

Resilience: Unit (Modulus of Resilience)

260 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

22 points

Environmental

Base Metal Price

80 % relative

Embodied Carbon

14 kg CO 2 /kg material

Embodied Energy

190 MJ/kg

Embodied Energy

190 MJ/kg 83 x 10 3 BTU/lb

Embodied Water

290 L/kg

Embodied Water

290 L/kg 35 gal/lb

Registered Designations & Aliases

N06625NA21Nickel Alloy 625 (N06625, NA21)

Standards

ASTM B443 ASTM B443: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Plate, Sheet, and Strip

ASTM B444 ASTM B444: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube

ASTM B446 ASTM B446: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625), Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219), and Nickel-Chromium-Molybdenum-Tungsten Alloy (UNS N06650) 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

ASTM B834 ASTM B834: Standard Specification for Pressure Consolidated Powder Metallurgy Iron-Nickel-Chromium-Molybdenum (UNS N08367) and Nickel-Chromium-Molybdenum-Columbium (Nb) (UNS N06625) Alloy Pipe Flanges, Fittings, Valves, and Parts ASTM B443: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Plate, Sheet, and Strip ASTM B444: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube ASTM B704: Standard Specification for Welded UNS N06625, UNS N06219 and UNS N08825 Alloy Tubes ASTM B446: Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625), Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219), and Nickel-Chromium-Molybdenum-Tungsten Alloy (UNS N06650) Rod and Bar 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