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Grade 704C Zirconium vs. SAE-AISI 1055 Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while SAE-AISI 1055 steel belongs to the iron alloys. There are 21 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 704C zirconium and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
11 to 14
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 470
730 to 750
Tensile Strength: Yield (Proof), MPa 310
400 to 630

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 5.9
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 490
440 to 1070
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 58
23 to 24

Alloy Composition

Carbon (C), % 0 to 0.1
0.5 to 0.6
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
98.4 to 98.9
Manganese (Mn), % 0
0.6 to 0.9
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0