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Automotive Grey Cast Iron vs. ASTM B563 Pd-Ag-Cu

Automotive grey cast iron belongs to the iron alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Elongation at Break, % 9.6 to 14
7.0 to 17
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 69 to 70
37
Tensile Strength: Ultimate (UTS), MPa 140 to 290
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
150
Melting Completion (Liquidus), °C 1380 to 1390
1180
Melting Onset (Solidus), °C 1340 to 1350
1030
Specific Heat Capacity, J/kg-K 490
260
Thermal Expansion, µm/m-K 12 to 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 7.5 to 7.6
11

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 5.2 to 11
19 to 30
Strength to Weight: Bending, points 8.0 to 13
17 to 22
Thermal Shock Resistance, points 4.2 to 8.6
39 to 61