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Grade 704C Zirconium vs. S35000 Stainless Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while S35000 stainless steel belongs to the iron alloys. There are 20 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 704C zirconium and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 11
2.3 to 14
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
78
Tensile Strength: Ultimate (UTS), MPa 470
1300 to 1570
Tensile Strength: Yield (Proof), MPa 310
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 5.9
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 490
1070 to 3360
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
46 to 56
Strength to Weight: Bending, points 20
34 to 38
Thermal Diffusivity, mm2/s 12
4.4
Thermal Shock Resistance, points 58
42 to 51

Alloy Composition

Carbon (C), % 0 to 0.1
0.070 to 0.11
Chromium (Cr), % 0
16 to 17
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
72.7 to 76.9
Manganese (Mn), % 0
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0 to 0.030
0.070 to 0.13
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0