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S35315 Stainless Steel vs. Grade 705C Zirconium

S35315 stainless steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 22 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 S35315 stainless steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 46
13
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 82
87
Shear Modulus, GPa 78
36
Tensile Strength: Ultimate (UTS), MPa 740
540
Tensile Strength: Yield (Proof), MPa 300
390

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 12
18
Thermal Expansion, µm/m-K 16
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.7
Embodied Water, L/kg 220
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
66
Resilience: Unit (Modulus of Resilience), kJ/m3 230
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 3.1
9.9
Thermal Shock Resistance, points 17
69

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.1
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 33.6 to 40.6
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 34 to 36
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0.12 to 0.18
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 1.2 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Zirconium (Zr), % 0
91.9 to 98