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S32950 Stainless Steel vs. Grade 702C Zirconium

S32950 stainless steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 200
97
Elongation at Break, % 17
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
36
Tensile Strength: Ultimate (UTS), MPa 780
430
Tensile Strength: Yield (Proof), MPa 550
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
52
Resilience: Unit (Modulus of Resilience), kJ/m3 730
510
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 21
55

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 26 to 29
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 60.3 to 69.4
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0
Nitrogen (N), % 0.15 to 0.35
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.010
0
Zirconium (Zr), % 0
94.8 to 100