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SAE-AISI H24 Steel vs. ASTM B477 Au-Ni-Ag

SAE-AISI H24 steel belongs to the iron alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
95
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 78
34
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 240
80
Melting Completion (Liquidus), °C 1750
1010
Melting Onset (Solidus), °C 1700
930
Specific Heat Capacity, J/kg-K 420
160
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Density, g/cm3 9.1
17

Common Calculations

Stiffness to Weight: Axial, points 12
3.1
Stiffness to Weight: Bending, points 22
8.9
Strength to Weight: Axial, points 22 to 61
5.0 to 9.0
Strength to Weight: Bending, points 20 to 39
6.0 to 8.8
Thermal Shock Resistance, points 22 to 61
16 to 28

Alloy Composition

Carbon (C), % 0.42 to 0.53
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 78 to 82.4
0
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
2.6 to 3.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Silver (Ag), % 0
21.4 to 22.6
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Residuals, % 0
0 to 0.3