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SAE-AISI S2 Steel vs. ASTM B563 Pd-Ag-Cu

SAE-AISI S2 steel belongs to the iron alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S2 steel and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 72
37
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 260
150
Melting Completion (Liquidus), °C 1450
1180
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
260
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 7.8
11

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 24 to 69
19 to 30
Strength to Weight: Bending, points 22 to 44
17 to 22
Thermal Shock Resistance, points 23 to 68
39 to 61

Alloy Composition

Carbon (C), % 0.4 to 0.55
0
Copper (Cu), % 0 to 0.25
15.5 to 16.5
Iron (Fe), % 96 to 98.1
0
Manganese (Mn), % 0.3 to 0.5
0
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.3
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Phosphorus (P), % 0 to 0.030
0
Platinum (Pt), % 0
0.8 to 1.2
Silicon (Si), % 0.9 to 1.2
0
Silver (Ag), % 0
37 to 39
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.5
0
Residuals, % 0
0 to 0.4