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ACI-ASTM CC50 Steel vs. AWS BAu-6

ACI-ASTM CC50 steel belongs to the iron alloys classification, while AWS BAu-6 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ACI-ASTM CC50 steel and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.27
0.39
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 430
190

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Melting Completion (Liquidus), °C 1420
1050
Melting Onset (Solidus), °C 1370
1010
Specific Heat Capacity, J/kg-K 490
210
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Density, g/cm3 7.6
16

Common Calculations

Stiffness to Weight: Axial, points 15
4.0
Stiffness to Weight: Bending, points 26
10
Strength to Weight: Axial, points 16
3.2
Strength to Weight: Bending, points 17
4.5
Thermal Shock Resistance, points 14
8.5

Alloy Composition

Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Gold (Au), % 0
69.5 to 70.5
Iron (Fe), % 62.9 to 74
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 4.0
21.5 to 22.5
Palladium (Pd), % 0
7.5 to 8.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.15