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Grade 702C Zirconium vs. AISI 384 Stainless Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AISI 384 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 97
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 430
480

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 5.7
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
150

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 55
11

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 0
15 to 17
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
60.9 to 68
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
17 to 19
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 94.8 to 100
0