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ASTM A27 Cast Steel vs. Grade 702C Zirconium

ASTM A27 cast steel belongs to the iron alloys classification, while grade 702C 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 A27 cast steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 25 to 27
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 460 to 550
430
Tensile Strength: Yield (Proof), MPa 230 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 52
22
Thermal Expansion, µm/m-K 12
5.7

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
52
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
510
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 16 to 20
18
Strength to Weight: Bending, points 17 to 19
19
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 15 to 18
55