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Solder Alloy 702 vs. N08926 Stainless Steel

Solder alloy 702 belongs to the otherwise unclassified metals classification, while N08926 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 702 and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 21
40
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 53
740

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1460
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 220
460
Thermal Conductivity, W/m-K 62
12
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 18
1.9

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.1
Embodied Carbon, kg CO2/kg material 17
6.2
Embodied Energy, MJ/kg 290
84

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.0
25
Strength to Weight: Bending, points 4.2
22
Thermal Diffusivity, mm2/s 38
3.2
Thermal Shock Resistance, points 3.4
16

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 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.050
0.5 to 1.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
41.7 to 50.4
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.010
24 to 26
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 2.8 to 3.2
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 96.3 to 97.2
0
Zinc (Zn), % 0 to 0.0010
0