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Grade 702C Zirconium vs. SAE-AISI 1074 Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI 1074 steel belongs to the iron alloys. There are 21 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 702C zirconium and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 13
11 to 14
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 430
740 to 820
Tensile Strength: Yield (Proof), MPa 310
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
50
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 510
550 to 860
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
26 to 29
Strength to Weight: Bending, points 19
23 to 25
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 55
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.1
0.7 to 0.8
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
98.3 to 98.8
Manganese (Mn), % 0
0.5 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Zirconium (Zr), % 94.8 to 100
0