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ASTM B780 Alloy vs. Grade 702C Zirconium

Both ASTM B780 alloy and grade 702C zirconium are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
97
Elongation at Break, % 1.1 to 9.1
13
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 30
36
Tensile Strength: Ultimate (UTS), MPa 330 to 590
430

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Specific Heat Capacity, J/kg-K 270
270
Thermal Expansion, µm/m-K 18
5.7

Otherwise Unclassified Properties

Density, g/cm3 10
6.7

Common Calculations

Stiffness to Weight: Axial, points 4.5
8.1
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.1 to 16
18
Strength to Weight: Bending, points 11 to 15
19
Thermal Shock Resistance, points 16 to 29
55

Alloy Composition

Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 23.5 to 25.7
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.050
0 to 0.3
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0.35 to 0.65
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.010
Silver (Ag), % 74 to 76
0
Zinc (Zn), % 0 to 0.060
0
Zirconium (Zr), % 0
94.8 to 100