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AWS BAu-3 vs. EN 1.3553 Steel

AWS BAu-3 belongs to the otherwise unclassified metals classification, while EN 1.3553 steel belongs to the iron alloys. 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 AWS BAu-3 and the bottom bar is EN 1.3553 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 41
77
Tensile Strength: Ultimate (UTS), MPa 220
720

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Melting Completion (Liquidus), °C 1030
1620
Melting Onset (Solidus), °C 970
1570
Specific Heat Capacity, J/kg-K 300
440
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Density, g/cm3 13
8.4

Common Calculations

Stiffness to Weight: Axial, points 5.0
13
Stiffness to Weight: Bending, points 13
23
Strength to Weight: Axial, points 4.9
24
Strength to Weight: Bending, points 6.4
21
Thermal Shock Resistance, points 8.7
21

Alloy Composition

Carbon (C), % 0
0.78 to 0.86
Chromium (Cr), % 0
3.9 to 4.3
Copper (Cu), % 60.9 to 63
0 to 0.3
Gold (Au), % 34.5 to 35.5
0
Iron (Fe), % 0
80.7 to 83.7
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
4.7 to 5.2
Nickel (Ni), % 2.5 to 3.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
6.0 to 6.7
Vanadium (V), % 0
1.7 to 2.0
Residuals, % 0 to 0.15
0