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R05252 Alloy vs. Solder Alloy 121

Both R05252 alloy and solder alloy 121 are otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is R05252 alloy and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
21
Elongation at Break, % 23
25
Poisson's Ratio 0.33
0.43
Shear Modulus, GPa 73
7.5
Tensile Strength: Ultimate (UTS), MPa 310
32

Thermal Properties

Latent Heat of Fusion, J/g 140
29
Specific Heat Capacity, J/kg-K 140
140
Thermal Expansion, µm/m-K 6.7
28

Otherwise Unclassified Properties

Density, g/cm3 17
11
Embodied Water, L/kg 600
580

Common Calculations

Stiffness to Weight: Axial, points 6.5
1.1
Stiffness to Weight: Bending, points 12
8.6
Strength to Weight: Axial, points 5.2
0.84
Strength to Weight: Bending, points 6.1
2.1
Thermal Shock Resistance, points 17
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0015
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.1
Tantalum (Ta), % 88.8 to 91
0
Tin (Sn), % 0
14.5 to 15.5
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 9.0 to 11
0
Zinc (Zn), % 0
0 to 0.0010