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EN 1.4006 Stainless Steel vs. Grade 704C Zirconium

EN 1.4006 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 1.4006 stainless steel and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 16 to 23
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
36
Tensile Strength: Ultimate (UTS), MPa 590 to 750
470
Tensile Strength: Yield (Proof), MPa 230 to 510
310

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 11
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 100
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
48
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
490
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 27
20
Strength to Weight: Bending, points 20 to 24
20
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 21 to 26
58

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.1
Chromium (Cr), % 11.5 to 13.5
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 83.1 to 88.4
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0 to 0.75
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 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
92.9 to 99