# Grade 702C Zirconium vs. K94200 Alloy

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while K94200 alloy belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is K94200 alloy.

Metric UnitsUS Customary Units

## Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa | 97 | |

140 |

Elongation at Break, % | 13 | |

5.0 to 32 |

Poisson's Ratio | 0.34 | |

0.34 |

Shear Modulus, GPa | 36 | |

54 |

Tensile Strength: Ultimate (UTS), MPa | 430 | |

500 to 710 |

Tensile Strength: Yield (Proof), MPa | 310 | |

270 to 650 |

## Thermal Properties

Specific Heat Capacity, J/kg-K | 270 | |

500 |

Thermal Conductivity, W/m-K | 22 | |

15 |

Thermal Expansion, µm/m-K | 5.7 | |

5.0 |

## Otherwise Unclassified Properties

Density, g/cm^{3} |
6.7 | |

8.2 |

## Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m^{3} |
52 | |

35 to 130 |

Resilience: Unit (Modulus of Resilience), kJ/m^{3} |
510 | |

250 to 1460 |

Stiffness to Weight: Axial, points | 8.1 | |

9.8 |

Stiffness to Weight: Bending, points | 23 | |

21 |

Strength to Weight: Axial, points | 18 | |

17 to 24 |

Strength to Weight: Bending, points | 19 | |

17 to 22 |

Thermal Diffusivity, mm^{2}/s |
12 | |

3.7 |

Thermal Shock Resistance, points | 55 | |

49 to 70 |