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ASTM B628 Ag-Cu vs. AWS ERNiCrMo-2

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
210
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
81
Tensile Strength: Ultimate (UTS), MPa 350 to 760
750

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 780
1460
Melting Onset (Solidus), °C 780
1410
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 75
1.6

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.5 to 21
25
Strength to Weight: Bending, points 11 to 18
22
Thermal Shock Resistance, points 16 to 34
20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 26.6 to 29
0 to 0.5
Iron (Fe), % 0 to 0.050
17 to 20
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.010
40.3 to 53.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0 to 0.5