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ACI-ASTM CK3MCuN Steel vs. 85-silver 15-nickel

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while 85-silver 15-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is 85-silver 15-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
88
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 80
32
Tensile Strength: Ultimate (UTS), MPa 620
260 to 470

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1460
870
Melting Onset (Solidus), °C 1350
960
Specific Heat Capacity, J/kg-K 460
270
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
86
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
75

Otherwise Unclassified Properties

Density, g/cm3 8.0
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.8
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 21
7.1 to 13
Strength to Weight: Bending, points 20
8.9 to 13
Thermal Shock Resistance, points 14
12 to 21

Alloy Composition

Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
13.8 to 16
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
84 to 86
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.2