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Solder Alloy 702 vs. Grade M35-1 Nickel

Solder alloy 702 belongs to the otherwise unclassified metals classification, while grade M35-1 nickel belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 702 and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
160
Elongation at Break, % 21
28
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
62
Tensile Strength: Ultimate (UTS), MPa 53
500

Thermal Properties

Latent Heat of Fusion, J/g 61
280
Melting Completion (Liquidus), °C 220
1280
Melting Onset (Solidus), °C 220
1240
Specific Heat Capacity, J/kg-K 220
430
Thermal Conductivity, W/m-K 62
22
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 18
3.4

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.8
Embodied Carbon, kg CO2/kg material 17
8.2
Embodied Energy, MJ/kg 290
120

Common Calculations

Stiffness to Weight: Axial, points 3.8
10
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 2.0
16
Strength to Weight: Bending, points 4.2
16
Thermal Diffusivity, mm2/s 38
5.7
Thermal Shock Resistance, points 3.4
17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
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 0.35
Copper (Cu), % 0 to 0.050
26 to 33
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 3.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Silver (Ag), % 2.8 to 3.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 96.3 to 97.2
0
Zinc (Zn), % 0 to 0.0010
0