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EN 1.4659 Stainless Steel vs. Grade 702C Zirconium

EN 1.4659 stainless steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. 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 EN 1.4659 stainless steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
97
Elongation at Break, % 49
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
36
Tensile Strength: Ultimate (UTS), MPa 900
430
Tensile Strength: Yield (Proof), MPa 480
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 460
270
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
6.7
Embodied Water, L/kg 220
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
52
Resilience: Unit (Modulus of Resilience), kJ/m3 550
510
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 31
18
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 19
55

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 35.7 to 45.7
0 to 0.3
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Zirconium (Zr), % 0
94.8 to 100