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Solder Alloy 716 vs. EN 1.4021 Stainless Steel

Solder alloy 716 belongs to the otherwise unclassified metals classification, while EN 1.4021 stainless steel belongs to the iron alloys. There are 22 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 716 and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 13
11 to 17
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 39
630 to 880

Thermal Properties

Latent Heat of Fusion, J/g 60
270
Melting Completion (Liquidus), °C 230
1440
Melting Onset (Solidus), °C 220
1400
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 60
30
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 16
3.3

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 16
1.9
Embodied Energy, MJ/kg 270
27

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.5
23 to 31
Strength to Weight: Bending, points 3.5
21 to 26
Thermal Diffusivity, mm2/s 37
8.1
Thermal Shock Resistance, points 2.5
22 to 31

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
0.16 to 0.25
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0.3 to 0.7
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
83.2 to 87.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 97.6 to 98.9
0
Zinc (Zn), % 0 to 0.0010
0