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Grade 704C Zirconium vs. EN 1.4374 Stainless Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4374 stainless steel belongs to the iron alloys. 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 grade 704C zirconium and the bottom bar is EN 1.4374 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
230
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 11
40
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 470
800
Tensile Strength: Yield (Proof), MPa 310
400

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 5.9
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 460
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
270
Resilience: Unit (Modulus of Resilience), kJ/m3 490
400
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 58
17

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.1
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 0
0 to 0.4
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
63.5 to 67.9
Manganese (Mn), % 0
9.0 to 10
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0 to 0.030
0.25 to 0.32
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0