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Solder Alloy 181 vs. EN 1.4877 Stainless Steel

Solder alloy 181 belongs to the otherwise unclassified metals classification, while EN 1.4877 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 181 and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
200
Elongation at Break, % 41
36
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 6.1
79
Tensile Strength: Ultimate (UTS), MPa 27
630

Thermal Properties

Latent Heat of Fusion, J/g 26
310
Melting Completion (Liquidus), °C 310
1400
Melting Onset (Solidus), °C 300
1360
Specific Heat Capacity, J/kg-K 130
470
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 29
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
2.0

Otherwise Unclassified Properties

Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 6.2
6.2
Embodied Energy, MJ/kg 100
89

Common Calculations

Stiffness to Weight: Axial, points 0.86
14
Stiffness to Weight: Bending, points 7.7
24
Strength to Weight: Axial, points 0.66
22
Strength to Weight: Bending, points 1.8
20
Thermal Diffusivity, mm2/s 16
3.2
Thermal Shock Resistance, points 3.8
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.025
Antimony (Sb), % 0 to 0.2
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
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
36.4 to 42.3
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
0