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ASTM B596 Au-Cu vs. EN 1.5511 Steel

ASTM B596 Au-Cu belongs to the otherwise unclassified metals classification, while EN 1.5511 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, 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 B596 Au-Cu and the bottom bar is EN 1.5511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 450 to 620
490 to 580

Thermal Properties

Latent Heat of Fusion, J/g 77
250
Melting Completion (Liquidus), °C 1060
1460
Melting Onset (Solidus), °C 930
1420
Specific Heat Capacity, J/kg-K 150
470
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.1

Otherwise Unclassified Properties

Density, g/cm3 18
7.8

Common Calculations

Stiffness to Weight: Axial, points 3.1
13
Stiffness to Weight: Bending, points 8.5
24
Strength to Weight: Axial, points 6.8 to 9.4
17 to 20
Strength to Weight: Bending, points 7.1 to 8.8
18 to 20
Thermal Shock Resistance, points 22 to 30
15 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.32 to 0.39
Copper (Cu), % 9.0 to 11
0
Gold (Au), % 89 to 91
0
Iron (Fe), % 0
98.3 to 99.159
Manganese (Mn), % 0
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.4
0