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Solder Alloy 502 vs. Nickel 685

Solder alloy 502 belongs to the otherwise unclassified metals classification, while nickel 685 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 502 and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
200
Elongation at Break, % 34
17
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 58
1250

Thermal Properties

Latent Heat of Fusion, J/g 66
320
Melting Completion (Liquidus), °C 350
1380
Melting Onset (Solidus), °C 220
1330
Specific Heat Capacity, J/kg-K 230
460
Thermal Conductivity, W/m-K 47
13
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.4
Embodied Carbon, kg CO2/kg material 15
10
Embodied Energy, MJ/kg 260
140

Common Calculations

Stiffness to Weight: Axial, points 4.0
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.2
42
Strength to Weight: Bending, points 4.5
31
Thermal Diffusivity, mm2/s 28
3.3
Thermal Shock Resistance, points 3.6
37

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.2 to 1.6
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Boron (B), % 0
0.0030 to 0.010
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 3.5 to 4.5
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 2.0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0 to 0.010
49.6 to 62.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 93.8 to 95.7
0
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0 to 0.0010
0.020 to 0.12