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ACI-ASTM CC50 Steel vs. Commercially Pure Palladium

ACI-ASTM CC50 steel belongs to the iron alloys classification, while commercially pure palladium belongs to the otherwise unclassified metals. There are 17 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 ACI-ASTM CC50 steel and the bottom bar is commercially pure palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.27
0.39
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 430
200 to 380

Thermal Properties

Latent Heat of Fusion, J/g 300
160
Melting Completion (Liquidus), °C 1420
1550
Melting Onset (Solidus), °C 1370
1550
Specific Heat Capacity, J/kg-K 490
240
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Density, g/cm3 7.6
12

Common Calculations

Stiffness to Weight: Axial, points 15
5.6
Stiffness to Weight: Bending, points 26
14
Strength to Weight: Axial, points 16
4.5 to 8.8
Strength to Weight: Bending, points 17
6.2 to 9.7
Thermal Shock Resistance, points 14
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Iron (Fe), % 62.9 to 74
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 4.0
0
Palladium (Pd), % 0
99.8 to 100
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.2