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SAE-AISI A9 Steel vs. Grade 704C Zirconium

SAE-AISI A9 steel belongs to the iron alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
36
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
470

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 35
21
Thermal Expansion, µm/m-K 12
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 82
460

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 73
20
Strength to Weight: Bending, points 24 to 46
20
Thermal Diffusivity, mm2/s 9.6
12
Thermal Shock Resistance, points 25 to 66
58

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.1
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 87 to 90.5
0 to 0.3
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 1.0 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 2.0
Vanadium (V), % 0.8 to 1.4
0
Zirconium (Zr), % 0
92.9 to 99