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AWS BAg-2a vs. AWS ERNiCu-7

AWS BAg-2a belongs to the otherwise unclassified metals classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AWS BAg-2a and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
160
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 31
61
Tensile Strength: Ultimate (UTS), MPa 170
550

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Melting Completion (Liquidus), °C 710
1280
Melting Onset (Solidus), °C 610
1240
Specific Heat Capacity, J/kg-K 310
440
Thermal Expansion, µm/m-K 23
13

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 30
8.5
Embodied Energy, MJ/kg 470
120

Common Calculations

Stiffness to Weight: Axial, points 5.2
10
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 5.4
18
Strength to Weight: Bending, points 7.8
17
Thermal Shock Resistance, points 6.5
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Cadmium (Cd), % 19 to 21
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 26 to 28
18.3 to 36.5
Iron (Fe), % 0
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Zinc (Zn), % 21 to 25
0
Residuals, % 0
0 to 0.5