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Grade 704C Zirconium vs. ASTM A369 Grade FP9

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while ASTM A369 grade FP9 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 ASTM A369 grade FP9.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 470
470
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 21
26
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
80
Resilience: Unit (Modulus of Resilience), kJ/m3 490
140
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 58
13

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 0
8.0 to 10
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
87.1 to 90.3
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0.5 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0