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SAE-AISI D3 Steel vs. AWS BAu-3

SAE-AISI D3 steel belongs to the iron alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. There are 15 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 SAE-AISI D3 steel and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 74
41
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
220

Thermal Properties

Latent Heat of Fusion, J/g 270
160
Melting Completion (Liquidus), °C 1430
1030
Melting Onset (Solidus), °C 1390
970
Specific Heat Capacity, J/kg-K 480
300
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 7.7
13

Common Calculations

Stiffness to Weight: Axial, points 14
5.0
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 28 to 74
4.9
Strength to Weight: Bending, points 24 to 47
6.4
Thermal Shock Resistance, points 23 to 63
8.7

Alloy Composition

Carbon (C), % 2.0 to 2.4
0
Chromium (Cr), % 11 to 13.5
0
Copper (Cu), % 0 to 0.25
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 80.3 to 87
0
Manganese (Mn), % 0 to 0.6
0
Nickel (Ni), % 0 to 0.3
2.5 to 3.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0
Residuals, % 0
0 to 0.15