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EN 1.4306 Stainless Steel vs. Grade 705C Zirconium

EN 1.4306 stainless steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. There are 21 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 1.4306 stainless steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
200
Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 14 to 45
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
36
Tensile Strength: Ultimate (UTS), MPa 580 to 900
540
Tensile Strength: Yield (Proof), MPa 210 to 570
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 15
18
Thermal Expansion, µm/m-K 16
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 150
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
66
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
790
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 32
22
Strength to Weight: Bending, points 20 to 27
22
Thermal Diffusivity, mm2/s 4.0
9.9
Thermal Shock Resistance, points 13 to 20
69

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), % 64.8 to 72
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 10 to 12
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zirconium (Zr), % 0
91.9 to 98