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SAE-AISI 1040 Steel vs. 60Pd-40Ag Alloy

SAE-AISI 1040 steel belongs to the iron alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 21 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 SAE-AISI 1040 steel and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 13 to 20
1.1 to 28
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 73
37
Shear Strength, MPa 350 to 390
220 to 350
Tensile Strength: Ultimate (UTS), MPa 570 to 640
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
240
Thermal Conductivity, W/m-K 51
29
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
3.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
11

Common Calculations

Stiffness to Weight: Axial, points 13
4.9
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 20 to 23
8.4 to 18
Strength to Weight: Bending, points 19 to 21
9.6 to 16
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 18 to 20
16 to 34

Alloy Composition

Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 98.6 to 99.03
0
Manganese (Mn), % 0.6 to 0.9
0
Palladium (Pd), % 0
59.5 to 60.9
Phosphorus (P), % 0 to 0.040
0
Silver (Ag), % 0
39.1 to 40.5
Sulfur (S), % 0 to 0.050
0
Residuals, % 0
0 to 0.3