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AWS BAu-5 vs. SAE-AISI M1 Steel

AWS BAu-5 belongs to the otherwise unclassified metals classification, while SAE-AISI M1 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-5 and the bottom bar is SAE-AISI M1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 50
77
Tensile Strength: Ultimate (UTS), MPa 210
730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Melting Completion (Liquidus), °C 1170
1560
Melting Onset (Solidus), °C 1140
1510
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 13
8.1

Common Calculations

Stiffness to Weight: Axial, points 5.8
14
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 4.5
25 to 73
Strength to Weight: Bending, points 6.0
22 to 45
Thermal Shock Resistance, points 9.0
23 to 66

Alloy Composition

Carbon (C), % 0
0.78 to 0.88
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 0
0 to 0.25
Gold (Au), % 29.5 to 30.5
0
Iron (Fe), % 0
81 to 84.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 35.5 to 36.4
0 to 0.3
Palladium (Pd), % 33.5 to 34.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.4
Residuals, % 0 to 0.15
0