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Grade 705C Zirconium vs. SAE-AISI M2 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI M2 steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is SAE-AISI M2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 540
760 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 18
22
Thermal Expansion, µm/m-K 5.7
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.4
Embodied Water, L/kg 450
98

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 22
25 to 71
Strength to Weight: Bending, points 22
22 to 44
Thermal Diffusivity, mm2/s 9.9
5.9
Thermal Shock Resistance, points 69
27 to 76

Alloy Composition

Carbon (C), % 0 to 0.1
0.78 to 1.1
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
78.5 to 83.4
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0
0 to 0.3
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 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zirconium (Zr), % 91.9 to 98
0