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AWS BAg-21 vs. 70Ag-30Ni Alloy

Both AWS BAg-21 and 70Ag-30Ni alloy are otherwise unclassified metals. They have 66% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-21 and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
100
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 31
39
Tensile Strength: Ultimate (UTS), MPa 150
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 140
170
Melting Completion (Liquidus), °C 800
960
Melting Onset (Solidus), °C 690
960
Specific Heat Capacity, J/kg-K 280
300
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Density, g/cm3 9.8
10

Common Calculations

Stiffness to Weight: Axial, points 4.8
5.8
Stiffness to Weight: Bending, points 15
16
Strength to Weight: Axial, points 4.2
8.8 to 15
Strength to Weight: Bending, points 6.4
10 to 15
Thermal Shock Resistance, points 6.6
13 to 21

Alloy Composition

Copper (Cu), % 27.5 to 29.5
0
Nickel (Ni), % 2.0 to 3.0
28.8 to 31
Silver (Ag), % 62 to 64
69 to 71
Tin (Sn), % 5.0 to 7.0
0
Residuals, % 0 to 0.15
0 to 0.2