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Grade 704C Zirconium vs. AWS ERTi-12

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AWS ERTi-12 belongs to the titanium alloys. There are 20 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 grade 704C zirconium and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
110
Elongation at Break, % 11
12
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
41
Tensile Strength: Ultimate (UTS), MPa 470
480
Tensile Strength: Yield (Proof), MPa 310
340

Thermal Properties

Latent Heat of Fusion, J/g 240
420
Specific Heat Capacity, J/kg-K 270
540
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 5.9
8.7

Otherwise Unclassified Properties

Density, g/cm3 6.7
4.5
Embodied Water, L/kg 460
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
52
Resilience: Unit (Modulus of Resilience), kJ/m3 490
550
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 20
30
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 12
8.7
Thermal Shock Resistance, points 58
37

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0 to 0.0080
Iron (Fe), % 0 to 0.3
0 to 0.15
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.060 to 0.090
Nitrogen (N), % 0 to 0.030
0 to 0.015
Oxygen (O), % 0 to 0.3
0.080 to 0.16
Phosphorus (P), % 0 to 0.010
0
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
99.147 to 99.66
Zirconium (Zr), % 92.9 to 99
0