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ASTM B817 Type I vs. Grade 705C Zirconium

ASTM B817 type I belongs to the titanium alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 20 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 ASTM B817 type I and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
98
Elongation at Break, % 4.0 to 13
13
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
36
Tensile Strength: Ultimate (UTS), MPa 770 to 960
540
Tensile Strength: Yield (Proof), MPa 700 to 860
390

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Specific Heat Capacity, J/kg-K 560
270
Thermal Conductivity, W/m-K 7.1
18
Thermal Expansion, µm/m-K 9.6
5.7

Otherwise Unclassified Properties

Density, g/cm3 4.4
6.7
Embodied Water, L/kg 200
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
66
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
790
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 48 to 60
22
Strength to Weight: Bending, points 42 to 49
22
Thermal Diffusivity, mm2/s 2.9
9.9
Thermal Shock Resistance, points 54 to 68
69

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0 to 0.015
0 to 0.0050
Iron (Fe), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.040
0 to 0.030
Oxygen (O), % 0 to 0.3
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Sodium (Na), % 0 to 0.2
0
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zirconium (Zr), % 0
91.9 to 98
Residuals, % 0 to 0.4
0