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AWS BAu-1 vs. SAE-AISI T1 Steel

AWS BAu-1 belongs to the otherwise unclassified metals classification, while SAE-AISI T1 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (8, 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 T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 210
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 150
240
Melting Completion (Liquidus), °C 1020
1810
Melting Onset (Solidus), °C 990
1750
Specific Heat Capacity, J/kg-K 290
410
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Density, g/cm3 13
9.3

Common Calculations

Stiffness to Weight: Axial, points 4.7
12
Stiffness to Weight: Bending, points 12
21
Strength to Weight: Axial, points 4.5
23 to 64
Strength to Weight: Bending, points 6.1
20 to 40
Thermal Shock Resistance, points 8.5
23 to 64

Alloy Composition

Carbon (C), % 0
0.65 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 61.9 to 63
0 to 0.25
Gold (Au), % 37 to 38
0
Iron (Fe), % 0
73.2 to 77.2
Manganese (Mn), % 0
0.1 to 0.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3
Residuals, % 0 to 0.15
0