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ACI-ASTM CK3MCuN Steel vs. ASTM B617 Coin Silver

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 18 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 ASTM B617 coin silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 39
1.1 to 22
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 80
28
Tensile Strength: Ultimate (UTS), MPa 620
290 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Melting Completion (Liquidus), °C 1460
870
Melting Onset (Solidus), °C 1350
780
Specific Heat Capacity, J/kg-K 460
250
Thermal Expansion, µm/m-K 16
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
83
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
72

Otherwise Unclassified Properties

Density, g/cm3 8.0
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 21
7.7 to 14
Strength to Weight: Bending, points 20
9.3 to 14
Thermal Shock Resistance, points 14
14 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
9.0 to 10.4
Iron (Fe), % 49.5 to 56.3
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0 to 0.010
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
89.6 to 91
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.060