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Grade 702C Zirconium vs. ASTM Grade LC2-1 Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while ASTM grade LC2-1 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 ASTM grade LC2-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
240
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
810
Tensile Strength: Yield (Proof), MPa 310
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
60

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
150
Resilience: Unit (Modulus of Resilience), kJ/m3 510
1040
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 55
24

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.22
Chromium (Cr), % 0
1.4 to 1.9
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
92.5 to 95.3
Manganese (Mn), % 0
0.55 to 0.75
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
2.5 to 3.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.045
Zirconium (Zr), % 94.8 to 100
0