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ASTM B541 Gold vs. EN 1.4971 Stainless Steel

ASTM B541 gold belongs to the otherwise unclassified metals classification, while EN 1.4971 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, 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 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 6.0 to 14
34
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 38
81
Shear Strength, MPa 410 to 690
530
Tensile Strength: Ultimate (UTS), MPa 670 to 1180
800
Tensile Strength: Yield (Proof), MPa 480 to 900
340

Thermal Properties

Latent Heat of Fusion, J/g 90
300
Melting Completion (Liquidus), °C 1110
1460
Melting Onset (Solidus), °C 930
1410
Specific Heat Capacity, J/kg-K 170
450
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Density, g/cm3 17
8.4

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65 to 91
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 3830
280
Stiffness to Weight: Axial, points 3.4
14
Stiffness to Weight: Bending, points 9.0
24
Strength to Weight: Axial, points 11 to 19
26
Strength to Weight: Bending, points 9.8 to 14
23
Thermal Shock Resistance, points 36 to 63
19

Alloy Composition

Carbon (C), % 0
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 13.5 to 15.5
0
Gold (Au), % 70.5 to 72.5
0
Iron (Fe), % 0
24.3 to 37.1
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.035
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 0.015
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0.7 to 1.3
0
Residuals, % 0 to 0.4
0