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ASTM B628 Ag-Cu vs. AWS ERNiCrFe-6

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while AWS ERNiCrFe-6 belongs to the nickel alloys. There are 18 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 ERNiCrFe-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 17
34
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
74
Tensile Strength: Ultimate (UTS), MPa 350 to 760
630

Thermal Properties

Latent Heat of Fusion, J/g 140
310
Melting Completion (Liquidus), °C 780
1370
Melting Onset (Solidus), °C 780
1320
Specific Heat Capacity, J/kg-K 280
460
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 75
1.5

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.5 to 21
21
Strength to Weight: Bending, points 11 to 18
19
Thermal Shock Resistance, points 16 to 34
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 26.6 to 29
0 to 0.5
Iron (Fe), % 0 to 0.050
0 to 8.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
2.0 to 2.7
Nickel (Ni), % 0 to 0.010
67 to 81.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0
0 to 0.35
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0 to 0.5