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ASTM B628 Ag-Cu vs. AWS ENiCrMo-4

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 16 material properties with values for both materials. Properties with values for just one material (7, 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 ENiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
220
Elongation at Break, % 1.1 to 17
28
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
84
Tensile Strength: Ultimate (UTS), MPa 350 to 760
790

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 780
1590
Melting Onset (Solidus), °C 780
1530
Specific Heat Capacity, J/kg-K 280
410
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Density, g/cm3 10
9.0

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
22
Strength to Weight: Axial, points 9.5 to 21
24
Strength to Weight: Bending, points 11 to 18
21
Thermal Shock Resistance, points 16 to 34
22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 26.6 to 29
0 to 0.5
Iron (Fe), % 0 to 0.050
4.0 to 7.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0 to 0.010
49.9 to 63.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0 to 0.5