# UNS N08024 Nickel Alloy

N08024 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. It has a moderately low base cost among wrought nickels. In addition, it has a moderately low embodied energy and a moderately low tensile strength.

The graph bars on the material properties cards below compare N08024 nickel to: wrought nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

## Mechanical Properties

Elastic (Young's, Tensile) Modulus

200 *GPa* 30 *x 10 ^{6} psi*

Elongation at Break

34 *%*

Fatigue Strength

200 *MPa* 29 *x 10 ^{3} psi*

Poisson's Ratio

0.28

Shear Modulus

79 *GPa* 12 *x 10 ^{6} psi*

Shear Strength

410 *MPa* 60 *x 10 ^{3} psi*

Tensile Strength: Ultimate (UTS)

620 *MPa* 90 *x 10 ^{3} psi*

Tensile Strength: Yield (Proof)

270 *MPa* 39 *x 10 ^{3} psi*

## Thermal Properties

Latent Heat of Fusion

310 *J/g*

Maximum Temperature: Mechanical

990 *°C* 1820 *°F*

Melting Completion (Liquidus)

1430 *°C* 2600 *°F*

Melting Onset (Solidus)

1380 *°C* 2510 *°F*

Specific Heat Capacity

460 *J/kg-K* 0.11 *BTU/lb-°F*

Thermal Conductivity

12 *W/m-K* 7.0 *BTU/h-ft-°F*

Thermal Expansion

15 *µm/m-K*

## Electrical Properties

Electrical Conductivity: Equal Volume

1.6 *% IACS*

Electrical Conductivity: Equal Weight (Specific)

1.8 *% IACS*

## Otherwise Unclassified Properties

Base Metal Price

41 *% relative*

Density

8.2 *g/cm ^{3}* 510

*lb/ft*

^{3}Embodied Carbon

7.2 *kg CO _{2}/kg material*

Embodied Energy

99 *MJ/kg* 43 *x 10 ^{3} BTU/lb*

Embodied Water

230 *L/kg* 28 *gal/lb*

## Common Calculations

PREN (Pitting Resistance)

38

Resilience: Ultimate (Unit Rupture Work)

170 *MJ/m ^{3}*

Resilience: Unit (Modulus of Resilience)

180 *kJ/m ^{3}*

Stiffness to Weight: Axial

14 *points*

Stiffness to Weight: Bending

24 *points*

Strength to Weight: Axial

21 *points*

Strength to Weight: Bending

20 *points*

Thermal Diffusivity

3.2 *mm ^{2}/s*

Thermal Shock Resistance

15 *points*

## Alloy Composition

Ni | 35 to 40 | |

Fe | 26.6 to 38.4 | |

Cr | 22.5 to 25 | |

Mo | 3.5 to 5.0 | |

Cu | 0.5 to 1.5 | |

Mn | 0 to 1.0 | |

Si | 0 to 0.5 | |

Nb | 0.15 to 0.35 | |

P | 0 to 0.035 | |

S | 0 to 0.035 | |

C | 0 to 0.030 |

All values are % weight. Ranges represent what is permitted under applicable standards.

## Followup Questions

## Similar Alloys

## Further Reading

ASTM B463: Standard Specification for UNS N08020, UNS N08026, and UNS N08024 Alloy Plate, Sheet, and Strip

ASTM B464: Standard Specification for Welded UNS N08020, N08024, and N08026 Alloy Pipe

ASTM B729: Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube

ASTM B462: Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R20033 Alloy Pipe Flanges, Forged Fittings, and Valves and Parts for Corrosive High-Temperature Service

Aerospace Materials, Brian Cantor et al. (editors), 2001

Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971

Nickel Alloys, Ulrich Heubner (editor), 1998