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ASTM B628 Ag-Cu vs. Grade FDC Steel

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while grade FDC steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is grade FDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
80
Tensile Strength: Ultimate (UTS), MPa 350 to 760
1680

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 780
1450
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 75
8.2

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 9.5 to 21
60
Strength to Weight: Bending, points 11 to 18
40
Thermal Shock Resistance, points 16 to 34
50

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 26.6 to 29
0 to 0.12
Iron (Fe), % 0 to 0.050
98 to 99.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.5 to 1.2
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0
0.1 to 0.35
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0