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ASTM B540 Palladium vs. EN 1.7231 Steel

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while EN 1.7231 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 1.1 to 14
11 to 12
Fatigue Strength, MPa 350
360 to 500
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
790 to 930
Tensile Strength: Yield (Proof), MPa 620 to 1000
570 to 800

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
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
8.4

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
870 to 1700
Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 18 to 27
28 to 33
Strength to Weight: Bending, points 15 to 20
24 to 27
Thermal Shock Resistance, points 41 to 61
23 to 27

Alloy Composition


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Carbon (C), % 0
0.38 to 0.45
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 13.5 to 14.5
0
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
96.4 to 98.1
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0 to 0.025
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.8 to 1.2
0
Residuals, % 0 to 0.3
0

Comparable Variants