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AWS BAu-1 vs. SAE-AISI 1044 Steel

AWS BAu-1 belongs to the otherwise unclassified metals classification, while SAE-AISI 1044 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-1 and the bottom bar is SAE-AISI 1044 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 210
620

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 1020
1460
Melting Onset (Solidus), °C 990
1420
Specific Heat Capacity, J/kg-K 290
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 4.5
22
Strength to Weight: Bending, points 6.1
21
Thermal Shock Resistance, points 8.5
20

Alloy Composition

Carbon (C), % 0
0.43 to 0.5
Copper (Cu), % 61.9 to 63
0
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
98.8 to 99.27
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Residuals, % 0 to 0.15
0