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Grade 705C Zirconium vs. AISI 422 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while AISI 422 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 13
15 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1080
Tensile Strength: Yield (Proof), MPa 390
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
24
Thermal Expansion, µm/m-K 5.7
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 790
1140 to 1910
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
32 to 38
Strength to Weight: Bending, points 22
26 to 30
Thermal Diffusivity, mm2/s 9.9
6.4
Thermal Shock Resistance, points 69
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.25
Chromium (Cr), % 0
11 to 12.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
81.9 to 85.8
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0
0.5 to 1.0
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 91.9 to 98
0