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EN 1.3956 Stainless Steel vs. Grade 702C Zirconium

EN 1.3956 stainless steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
97
Elongation at Break, % 27
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
36
Tensile Strength: Ultimate (UTS), MPa 650
430
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Expansion, µm/m-K 13
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
52
Resilience: Unit (Modulus of Resilience), kJ/m3 270
510
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 18
55

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 20.5 to 23.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 51.9 to 62.1
0 to 0.3
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.1 to 0.3
0
Zirconium (Zr), % 0
94.8 to 100