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AISI 439 Stainless Steel vs. 60Pd-40Ag Alloy

AISI 439 stainless 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 (16, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 23
1.1 to 28
Poisson's Ratio 0.28
0.38
Shear Modulus, GPa 77
37
Shear Strength, MPa 310
220 to 350
Tensile Strength: Ultimate (UTS), MPa 490
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 280
140
Melting Completion (Liquidus), °C 1510
1360
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 480
240
Thermal Conductivity, W/m-K 25
29
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.2

Otherwise Unclassified Properties

Density, g/cm3 7.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 18
8.4 to 18
Strength to Weight: Bending, points 18
9.6 to 16
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 16
16 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 77.1 to 82.8
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.030
0
Palladium (Pd), % 0
59.5 to 60.9
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
39.1 to 40.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.1
0
Residuals, % 0
0 to 0.3