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Grade 705C Zirconium vs. SAE-AISI M30 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI M30 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 M30 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
78
Tensile Strength: Ultimate (UTS), MPa 540
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 18
24
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.2
Embodied Water, L/kg 450
120

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
27 to 74
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 9.9
6.6
Thermal Shock Resistance, points 69
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.1
0.75 to 0.85
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
4.5 to 5.5
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
75.2 to 80.9
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.0
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
1.3 to 2.3
Vanadium (V), % 0
1.0 to 1.4
Zirconium (Zr), % 91.9 to 98
0