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ACI-ASTM CK35MN Steel vs. AWS BAu-3

ACI-ASTM CK35MN 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 (18, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 650
220

Thermal Properties

Latent Heat of Fusion, J/g 310
160
Melting Completion (Liquidus), °C 1460
1030
Melting Onset (Solidus), °C 1410
970
Specific Heat Capacity, J/kg-K 470
300
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Density, g/cm3 8.0
13

Common Calculations

Stiffness to Weight: Axial, points 14
5.0
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 22
4.9
Strength to Weight: Bending, points 21
6.4
Thermal Shock Resistance, points 14
8.7

Alloy Composition

Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 43.4 to 51.8
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
2.5 to 3.5
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Residuals, % 0
0 to 0.15