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ASTM B628 Ag-Cu vs. EN 1.7729 Steel

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while EN 1.7729 steel belongs to the iron alloys. There are 19 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 ASTM B628 Ag-Cu and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 17
17
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
73
Shear Strength, MPa 210 to 430
560
Tensile Strength: Ultimate (UTS), MPa 350 to 760
910

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 780
1470
Melting Onset (Solidus), °C 780
1430
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 75
8.7

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
32
Strength to Weight: Bending, points 11 to 18
27
Thermal Shock Resistance, points 16 to 34
27

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 26.6 to 29
0 to 0.2
Iron (Fe), % 0 to 0.050
94.8 to 97
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.010
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0