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Grade 705C Zirconium vs. ASTM A27 Cast Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while ASTM A27 cast steel belongs to the iron alloys. 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 grade 705C zirconium and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
25 to 27
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
460 to 550
Tensile Strength: Yield (Proof), MPa 390
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
52
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
140 to 260
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
16 to 20
Strength to Weight: Bending, points 22
17 to 19
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 69
15 to 18