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S38815 Stainless Steel vs. Commercially Pure Zirconium

S38815 stainless steel belongs to the iron alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 19 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 S38815 stainless steel and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 34
18
Fatigue Strength, MPa 230
60
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
36
Tensile Strength: Ultimate (UTS), MPa 610
430
Tensile Strength: Yield (Proof), MPa 290
240

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Specific Heat Capacity, J/kg-K 500
270
Thermal Expansion, µm/m-K 15
5.5

Otherwise Unclassified Properties

Density, g/cm3 7.5
6.7
Embodied Water, L/kg 140
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
65
Resilience: Unit (Modulus of Resilience), kJ/m3 220
290
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 15
56

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 13 to 15
0 to 0.2
Copper (Cu), % 0.75 to 1.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 56.1 to 67
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0
Zirconium (Zr), % 0
94.7 to 100