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Grade 704C Zirconium vs. ASTM A203 Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while ASTM A203 steel belongs to the iron alloys. There are 21 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 ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
22 to 26
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
520 to 590
Tensile Strength: Yield (Proof), MPa 310
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 460
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 490
230 to 410
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
18 to 21
Strength to Weight: Bending, points 20
18 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 58
15 to 17