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AISI 409 Stainless Steel vs. Grade 702C Zirconium

AISI 409 stainless steel belongs to the iron alloys classification, while grade 702C 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 AISI 409 stainless steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 24
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
36
Tensile Strength: Ultimate (UTS), MPa 420
430
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 25
22
Thermal Expansion, µm/m-K 11
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 94
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
52
Resilience: Unit (Modulus of Resilience), kJ/m3 100
510
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 15
55

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 10.5 to 11.7
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 84.9 to 89.5
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.75
0
Zirconium (Zr), % 0
94.8 to 100