# UNS N07716 Nickel Alloy

N07716 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. It has a moderately high embodied energy among the wrought nickels in the database.

The graph bars on the material properties cards below compare N07716 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* 29 *x 10 ^{6} psi*

Elongation at Break

34 *%*

Fatigue Strength

690 *MPa* 100 *x 10 ^{3} psi*

Poisson's Ratio

0.29

Reduction in Area

46 *%*

Shear Modulus

78 *GPa* 11 *x 10 ^{6} psi*

Shear Strength

580 *MPa* 84 *x 10 ^{3} psi*

Tensile Strength: Ultimate (UTS)

860 *MPa* 130 *x 10 ^{3} psi*

Tensile Strength: Yield (Proof)

350 *MPa* 50 *x 10 ^{3} psi*

## Thermal Properties

Latent Heat of Fusion

320 *J/g*

Maximum Temperature: Mechanical

980 *°C* 1800 *°F*

Melting Completion (Liquidus)

1480 *°C* 2700 *°F*

Melting Onset (Solidus)

1430 *°C* 2610 *°F*

Specific Heat Capacity

440 *J/kg-K* 0.11 *BTU/lb-°F*

Thermal Conductivity

11 *W/m-K* 6.1 *BTU/h-ft-°F*

Thermal Expansion

13 *µm/m-K*

## Electrical Properties

Electrical Conductivity: Equal Volume

1.4 *% IACS*

Electrical Conductivity: Equal Weight (Specific)

1.5 *% IACS*

## Otherwise Unclassified Properties

Base Metal Price

75 *% relative*

Density

8.5 *g/cm ^{3}* 530

*lb/ft*

^{3}Embodied Carbon

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

Embodied Energy

190 *MJ/kg* 82 *x 10 ^{3} BTU/lb*

Embodied Water

280 *L/kg* 33 *gal/lb*

## Common Calculations

Resilience: Ultimate (Unit Rupture Work)

240 *MJ/m ^{3}*

Resilience: Unit (Modulus of Resilience)

300 *kJ/m ^{3}*

Stiffness to Weight: Axial

13 *points*

Stiffness to Weight: Bending

23 *points*

Strength to Weight: Axial

28 *points*

Strength to Weight: Bending

24 *points*

Thermal Diffusivity

2.8 *mm ^{2}/s*

Thermal Shock Resistance

24 *points*

## Alloy Composition

Ni | 59 to 63 | |

Cr | 19 to 22 | |

Mo | 7.0 to 9.5 | |

Fe | 0 to 11.3 | |

Nb | 2.8 to 4.0 | |

Ti | 1.0 to 1.6 | |

Al | 0 to 0.35 | |

Mn | 0 to 0.2 | |

Si | 0 to 0.2 | |

C | 0 to 0.030 | |

P | 0 to 0.015 | |

S | 0 to 0.010 |

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

## Followup Questions

## Similar Alloys

## Further Reading

ASTM B805: Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire

Microstructure of Superalloys, Madeleine Durand-Charre, 1998

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