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EN 1.4869 Casting Alloy vs. ASTM B477 Au-Ni-Ag

EN 1.4869 casting alloy belongs to the nickel alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4869 casting alloy and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
95
Elongation at Break, % 5.7
5.5 to 11
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 80
34
Tensile Strength: Ultimate (UTS), MPa 540
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
80
Melting Completion (Liquidus), °C 1450
1010
Melting Onset (Solidus), °C 1390
930
Specific Heat Capacity, J/kg-K 460
160
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Density, g/cm3 8.5
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 23
8.9
Strength to Weight: Axial, points 18
5.0 to 9.0
Strength to Weight: Bending, points 17
6.0 to 8.8
Thermal Shock Resistance, points 14
16 to 28

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 24 to 26
0
Cobalt (Co), % 14 to 16
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 11.4 to 23.6
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 33 to 37
2.6 to 3.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.0
0
Silver (Ag), % 0
21.4 to 22.6
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.3