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AWS BAu-3 vs. EN 1.4588 Stainless Steel

AWS BAu-3 belongs to the otherwise unclassified metals classification, while EN 1.4588 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-3 and the bottom bar is EN 1.4588 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 220
540

Thermal Properties

Latent Heat of Fusion, J/g 160
300
Melting Completion (Liquidus), °C 1030
1450
Melting Onset (Solidus), °C 970
1410
Specific Heat Capacity, J/kg-K 300
460
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 13
8.1

Common Calculations

Stiffness to Weight: Axial, points 5.0
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 4.9
18
Strength to Weight: Bending, points 6.4
18
Thermal Shock Resistance, points 8.7
11

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 60.9 to 63
0.5 to 1.5
Gold (Au), % 34.5 to 35.5
0
Iron (Fe), % 0
41.2 to 50.4
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 2.5 to 3.5
24 to 26
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.15
0