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ASTM B540 Palladium vs. SAE-AISI 1040 Steel

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while SAE-AISI 1040 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 1.1 to 14
13 to 20
Fatigue Strength, MPa 350
220 to 340
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 500 to 700
350 to 390
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
570 to 640
Tensile Strength: Yield (Proof), MPa 620 to 1000
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 1220
1460
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 240
470
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
8.0

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
270 to 760
Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 18 to 27
20 to 23
Strength to Weight: Bending, points 15 to 20
19 to 21
Thermal Shock Resistance, points 41 to 61
18 to 20

Alloy Composition

Carbon (C), % 0
0.37 to 0.44
Copper (Cu), % 13.5 to 14.5
0
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
98.6 to 99.03
Manganese (Mn), % 0
0.6 to 0.9
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 9.5 to 10.5
0
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 0.8 to 1.2
0
Residuals, % 0 to 0.3
0

Comparable Variants