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ASTM B628 Ag-Cu vs. ASTM A182 Grade F5a

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while ASTM A182 grade F5a belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 17
25
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
74
Shear Strength, MPa 210 to 430
450
Tensile Strength: Ultimate (UTS), MPa 350 to 760
710

Thermal Properties

Latent Heat of Fusion, J/g 140
260
Melting Completion (Liquidus), °C 780
1460
Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 75
9.4

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 9.5 to 21
25
Strength to Weight: Bending, points 11 to 18
23
Thermal Shock Resistance, points 16 to 34
20

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 26.6 to 29
0
Iron (Fe), % 0 to 0.050
91.4 to 95.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.010
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0