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ACI-ASTM CK35MN Steel vs. AWS BAu-6

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while AWS BAu-6 belongs to the otherwise unclassified metals. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. 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-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Poisson's Ratio 0.28
0.39
Shear Modulus, GPa 81
43
Tensile Strength: Ultimate (UTS), MPa 650
190

Thermal Properties

Latent Heat of Fusion, J/g 310
120
Melting Completion (Liquidus), °C 1460
1050
Melting Onset (Solidus), °C 1410
1010
Specific Heat Capacity, J/kg-K 470
210
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Density, g/cm3 8.0
16

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 25
10
Strength to Weight: Axial, points 22
3.2
Strength to Weight: Bending, points 21
4.5
Thermal Shock Resistance, points 14
8.5

Alloy Composition

Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
0
Gold (Au), % 0
69.5 to 70.5
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
21.5 to 22.5
Nitrogen (N), % 0.21 to 0.32
0
Palladium (Pd), % 0
7.5 to 8.5
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