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ASTM B541 Gold vs. EN 1.7231 Steel

ASTM B541 gold belongs to the otherwise unclassified metals classification, while EN 1.7231 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B541 gold 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, % 6.0 to 14
11 to 12
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 38
73
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
790 to 930
Tensile Strength: Yield (Proof), MPa 480 to 900
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 90
250
Melting Completion (Liquidus), °C 1110
1460
Melting Onset (Solidus), °C 930
1420
Specific Heat Capacity, J/kg-K 170
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
8.4

Otherwise Unclassified Properties

Density, g/cm3 17
7.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
870 to 1700
Stiffness to Weight: Axial, points 3.4
13
Stiffness to Weight: Bending, points 9.0
24
Strength to Weight: Axial, points 11 to 19
28 to 33
Strength to Weight: Bending, points 9.8 to 14
24 to 27
Thermal Shock Resistance, points 36 to 63
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 15.5
0
Gold (Au), % 70.5 to 72.5
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
Phosphorus (P), % 0
0 to 0.025
Platinum (Pt), % 8.0 to 9.0
0
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 4.0 to 5.0
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0 to 0.4
0

Comparable Variants