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ACI-ASTM CK3MCuN Steel vs. 70Ag-30Ni Alloy

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while 70Ag-30Ni alloy 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 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 80
39
Tensile Strength: Ultimate (UTS), MPa 620
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1350
960
Specific Heat Capacity, J/kg-K 460
300
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
69
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
62

Otherwise Unclassified Properties

Density, g/cm3 8.0
10

Common Calculations

Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 21
8.8 to 15
Strength to Weight: Bending, points 20
10 to 15
Thermal Shock Resistance, points 14
13 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
28.8 to 31
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
69 to 71
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.2