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SAE-AISI T6 Steel vs. ASTM B540 Palladium

SAE-AISI T6 steel belongs to the iron alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 15 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 SAE-AISI T6 steel and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Poisson's Ratio 0.29
0.38
Shear Modulus, GPa 81
39
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
830 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1830
1220
Melting Onset (Solidus), °C 1770
1020
Specific Heat Capacity, J/kg-K 400
240
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 9.5
13

Common Calculations

Stiffness to Weight: Axial, points 12
4.7
Stiffness to Weight: Bending, points 21
12
Strength to Weight: Axial, points 26 to 63
18 to 27
Strength to Weight: Bending, points 21 to 39
15 to 20
Thermal Shock Resistance, points 26 to 64
41 to 61

Alloy Composition

Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
Iron (Fe), % 55.9 to 63.5
0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Palladium (Pd), % 0
34 to 36
Phosphorus (P), % 0 to 0.030
0
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0.2 to 0.4
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0
Zinc (Zn), % 0
0.8 to 1.2
Residuals, % 0
0 to 0.3