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Grade 704C Zirconium vs. S30615 Stainless Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while S30615 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
39
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 85
84
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 470
690
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 240
340
Specific Heat Capacity, J/kg-K 270
500
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 5.9
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.6
Embodied Water, L/kg 460
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
220
Resilience: Unit (Modulus of Resilience), kJ/m3 490
260
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 58
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.1
0.16 to 0.24
Chromium (Cr), % 0
17 to 19.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
56.7 to 65.3
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
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
3.2 to 4.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0