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S44800 Stainless Steel vs. Grade 702C Zirconium

S44800 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 (15, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is grade 702C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 210
97
Elongation at Break, % 23
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 82
36
Tensile Strength: Ultimate (UTS), MPa 590
430
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 17
22
Thermal Expansion, µm/m-K 11
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 190
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
52
Resilience: Unit (Modulus of Resilience), kJ/m3 480
510
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 19
55

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.15
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 62.6 to 66.5
0 to 0.3
Manganese (Mn), % 0 to 0.3
0
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0 to 0.020
0
Zirconium (Zr), % 0
94.8 to 100