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ASTM B477 Au-Ni-Ag vs. SAE-AISI 1010 Steel

ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while SAE-AISI 1010 steel belongs to the iron alloys. There are 19 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 B477 Au-Ni-Ag and the bottom bar is SAE-AISI 1010 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
190
Elongation at Break, % 5.5 to 11
22 to 31
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 34
73
Shear Strength, MPa 190 to 320
230 to 250
Tensile Strength: Ultimate (UTS), MPa 310 to 550
350 to 400

Thermal Properties

Latent Heat of Fusion, J/g 80
250
Melting Completion (Liquidus), °C 1010
1470
Melting Onset (Solidus), °C 930
1430
Specific Heat Capacity, J/kg-K 160
470
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
12
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
14

Otherwise Unclassified Properties

Density, g/cm3 17
7.9

Common Calculations

Stiffness to Weight: Axial, points 3.1
13
Stiffness to Weight: Bending, points 8.9
24
Strength to Weight: Axial, points 5.0 to 9.0
12 to 14
Strength to Weight: Bending, points 6.0 to 8.8
14 to 15
Thermal Shock Resistance, points 16 to 28
11 to 13

Alloy Composition

Carbon (C), % 0
0.080 to 0.13
Gold (Au), % 74.2 to 75.8
0
Iron (Fe), % 0
99.18 to 99.62
Manganese (Mn), % 0
0.3 to 0.6
Nickel (Ni), % 2.6 to 3.4
0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 21.4 to 22.6
0
Sulfur (S), % 0
0 to 0.050
Residuals, % 0 to 0.3
0