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AWS BAu-5 vs. N08320 Stainless Steel

AWS BAu-5 belongs to the otherwise unclassified metals classification, while N08320 stainless steel belongs to the iron alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-5 and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 50
78
Tensile Strength: Ultimate (UTS), MPa 210
580

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Melting Completion (Liquidus), °C 1170
1400
Melting Onset (Solidus), °C 1140
1350
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 13
8.0

Common Calculations

Stiffness to Weight: Axial, points 5.8
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 4.5
20
Strength to Weight: Bending, points 6.0
20
Thermal Shock Resistance, points 9.0
13

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
21 to 23
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
40.4 to 50
Manganese (Mn), % 0
0 to 2.5
Nickel (Ni), % 35.5 to 36.4
25 to 27
Palladium (Pd), % 33.5 to 34.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0