Nickel Alloy 908 (N09908)

Nickel Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.3g/cm³

Elastic Modulus180GPa

Tensile Strength1340MPa

Yield Strength930MPa

Brinell HardnessUnknown

Maximum Service Temperature920°C

Weight Calculator

Chemical Composition

0 to 0.030%

3.8 to 4.5%

47 to 51%

0 to 1.0%

0 to 0.5%

0 to 0.015%

0 to 0.0050%

0 to 0.5%

2.7 to 3.3%

1.2 to 1.8%

0.75 to 1.3%

0 to 0.5%

0 to 0.012%

35.6 to 44.6%

Mechanical

Elastic (Young's, Tensile) Modulus

180 GPa

Elongation at Break

11 %

Fatigue Strength

450 MPa

Poisson's Ratio

0.3

Shear Modulus

70 GPa

Shear Strength

800 MPa

Tensile Strength: Ultimate (UTS)

1340 MPa

Tensile Strength: Yield (Proof)

930 MPa

Physical

Density

8.3 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Maximum Temperature: Mechanical

920 °C

Melting Completion (Liquidus)

1430 °C

Melting Onset (Solidus)

1380 °C

Specific Heat Capacity

460 J/kg-K

Thermal Conductivity

11 W/m-K

Thermal Diffusivity

2.9 mm 2 /s

Thermal Expansion

8.6 µm/m-K

Thermal Shock Resistance

61 points

Calculated

PREN (Pitting Resistance)

4.2

Resilience: Ultimate (Unit Rupture Work)

140 MJ/m 3

Resilience: Unit (Modulus of Resilience)

2340 kJ/m 3

Stiffness to Weight: Axial

12 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

45 points

Strength to Weight: Bending

33 points

Environmental

Base Metal Price

50 % relative

Embodied Carbon

9.3 kg CO 2 /kg material

Embodied Energy

140 MJ/kg

Embodied Energy

140 MJ/kg 58 x 10 3 BTU/lb

Embodied Water

170 L/kg

Embodied Water

170 L/kg 21 gal/lb

Registered Designations & Aliases

N09908Nickel Alloy 908 (N09908)

Standards

ASTM B872 ASTM B872: Standard Specification for Precipitation-Hardening Nickel-Iron-Chromium-Columbium (Nb)-Titanium-Aluminum Alloy (UNS N09908) Plate, Sheet, and Strip

ASTM B872 ASTM B872: Standard Specification for Precipitation-Hardening Nickel-Iron-Chromium-Columbium (Nb)-Titanium-Aluminum Alloy (UNS N09908) Plate, Sheet, and Strip Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Aerospace Materials, Brian Cantor et al. (editors), 2001 Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998