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SAE-AISI O6 Steel vs. AWS BAu-5

SAE-AISI O6 steel 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 (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O6 steel and the bottom bar is AWS BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
140
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 71
50
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
210

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1430
1170
Melting Onset (Solidus), °C 1390
1140
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 7.7
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 24 to 74
4.5
Strength to Weight: Bending, points 22 to 47
6.0
Thermal Shock Resistance, points 22 to 69
9.0

Alloy Composition

Carbon (C), % 1.3 to 1.6
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Gold (Au), % 0
29.5 to 30.5
Iron (Fe), % 94.6 to 97.7
0
Manganese (Mn), % 0.3 to 1.1
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 0 to 0.3
35.5 to 36.4
Palladium (Pd), % 0
33.5 to 34.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.55 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.15