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Solder Alloy 181 vs. 50Cr-50Ni-Cb Alloy

Both solder alloy 181 and 50Cr-50Ni-Cb alloy are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
210
Elongation at Break, % 41
5.6
Poisson's Ratio 0.44
0.26
Shear Modulus, GPa 6.1
84
Tensile Strength: Ultimate (UTS), MPa 27
620

Thermal Properties

Latent Heat of Fusion, J/g 26
350
Specific Heat Capacity, J/kg-K 130
480
Thermal Expansion, µm/m-K 29
15

Otherwise Unclassified Properties

Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 6.2
9.2
Embodied Energy, MJ/kg 100
130

Common Calculations

Stiffness to Weight: Axial, points 0.86
15
Stiffness to Weight: Bending, points 7.7
25
Strength to Weight: Axial, points 0.66
21
Strength to Weight: Bending, points 1.8
20
Thermal Shock Resistance, points 3.8
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.25
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
47 to 52
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.0
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.010
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.0010
0