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ACI-ASTM CC50 Steel vs. AWS BAu-3

ACI-ASTM CC50 steel belongs to the iron alloys classification, while AWS BAu-3 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.

For each property being compared, the top bar is ACI-ASTM CC50 steel and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.27
0.37
Shear Modulus, GPa 80
41
Tensile Strength: Ultimate (UTS), MPa 430
220

Thermal Properties

Latent Heat of Fusion, J/g 300
160
Melting Completion (Liquidus), °C 1420
1030
Melting Onset (Solidus), °C 1370
970
Specific Heat Capacity, J/kg-K 490
300
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Density, g/cm3 7.6
13

Common Calculations

Stiffness to Weight: Axial, points 15
5.0
Stiffness to Weight: Bending, points 26
13
Strength to Weight: Axial, points 16
4.9
Strength to Weight: Bending, points 17
6.4
Thermal Shock Resistance, points 14
8.7

Alloy Composition

Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 62.9 to 74
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 4.0
2.5 to 3.5
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