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SAE-AISI H14 Steel vs. ASTM B477 Au-Ni-Ag

SAE-AISI H14 steel belongs to the iron alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (10, 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 SAE-AISI H14 steel and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
95
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 75
34
Tensile Strength: Ultimate (UTS), MPa 710 to 2030
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
80
Melting Completion (Liquidus), °C 1530
1010
Melting Onset (Solidus), °C 1490
930
Specific Heat Capacity, J/kg-K 460
160
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
14
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.1
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 24
8.9
Strength to Weight: Axial, points 24 to 69
5.0 to 9.0
Strength to Weight: Bending, points 22 to 44
6.0 to 8.8
Thermal Shock Resistance, points 24 to 68
16 to 28

Alloy Composition

Carbon (C), % 0.35 to 0.45
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 86.5 to 89.9
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0 to 0.3
2.6 to 3.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.8 to 1.2
0
Silver (Ag), % 0
21.4 to 22.6
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 4.0 to 5.3
0
Residuals, % 0
0 to 0.3