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ASTM B541 Gold vs. S32101 Stainless Steel

ASTM B541 gold belongs to the otherwise unclassified metals classification, while S32101 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, 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 S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.0 to 14
34
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 38
78
Shear Strength, MPa 410 to 690
490
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
740
Tensile Strength: Yield (Proof), MPa 480 to 900
500

Thermal Properties

Latent Heat of Fusion, J/g 90
290
Melting Completion (Liquidus), °C 1110
1420
Melting Onset (Solidus), °C 930
1370
Specific Heat Capacity, J/kg-K 170
480
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7 to 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0 to 6.2
2.5

Otherwise Unclassified Properties

Density, g/cm3 17
7.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
640
Stiffness to Weight: Axial, points 3.4
14
Stiffness to Weight: Bending, points 9.0
25
Strength to Weight: Axial, points 11 to 19
27
Strength to Weight: Bending, points 9.8 to 14
24
Thermal Shock Resistance, points 36 to 63
20

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
21 to 22
Copper (Cu), % 13.5 to 15.5
0.1 to 0.8
Gold (Au), % 70.5 to 72.5
0
Iron (Fe), % 0
67.3 to 73.3
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 8.0 to 9.0
0
Silicon (Si), % 0
0 to 1.0
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