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AWS ERNi-1 vs. ASTM B628 Ag-Cu

AWS ERNi-1 belongs to the nickel alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. 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 AWS ERNi-1 and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
83
Elongation at Break, % 22
1.1 to 17
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 69
31
Tensile Strength: Ultimate (UTS), MPa 470
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1360
780
Melting Onset (Solidus), °C 1310
780
Specific Heat Capacity, J/kg-K 450
280
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
84
Electrical Conductivity: Equal Weight (Specific), % IACS 19
75

Otherwise Unclassified Properties

Density, g/cm3 8.7
10

Common Calculations

Stiffness to Weight: Axial, points 12
4.6
Stiffness to Weight: Bending, points 22
14
Strength to Weight: Axial, points 15
9.5 to 21
Strength to Weight: Bending, points 15
11 to 18
Thermal Shock Resistance, points 17
16 to 34

Alloy Composition

Aluminum (Al), % 0 to 1.5
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
26.6 to 29
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.21