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AWS ER90S-B9 vs. AWS BAu-5

AWS ER90S-B9 belongs to the iron alloys classification, while AWS BAu-5 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B9 and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 75
50
Tensile Strength: Ultimate (UTS), MPa 690
210

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1450
1170
Melting Onset (Solidus), °C 1410
1140
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
13

Common Calculations

Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 25
4.5
Strength to Weight: Bending, points 22
6.0
Thermal Shock Resistance, points 19
9.0

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
0
Gold (Au), % 0
29.5 to 30.5
Iron (Fe), % 84.4 to 90.7
0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
35.5 to 36.4
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Palladium (Pd), % 0
33.5 to 34.5
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Vanadium (V), % 0.15 to 0.3
0
Residuals, % 0
0 to 0.15