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EN 1.4518 Stainless Steel vs. Grade 704C Zirconium

EN 1.4518 stainless steel belongs to the iron alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 20 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 EN 1.4518 stainless steel and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
97
Elongation at Break, % 34
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 490
470
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 12
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.7
Embodied Water, L/kg 160
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
48
Resilience: Unit (Modulus of Resilience), kJ/m3 100
490
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 14
58

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 61.4 to 70
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
92.9 to 99