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Solder Alloy 181 vs. EN 1.4378 Stainless Steel

Solder alloy 181 belongs to the otherwise unclassified metals classification, while EN 1.4378 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
200
Elongation at Break, % 41
14 to 34
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 6.1
77
Tensile Strength: Ultimate (UTS), MPa 27
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 26
290
Melting Completion (Liquidus), °C 310
1390
Melting Onset (Solidus), °C 300
1350
Specific Heat Capacity, J/kg-K 130
480
Thermal Expansion, µm/m-K 29
17

Otherwise Unclassified Properties

Density, g/cm3 11
7.6
Embodied Carbon, kg CO2/kg material 6.2
2.7
Embodied Energy, MJ/kg 100
39

Common Calculations

Stiffness to Weight: Axial, points 0.86
14
Stiffness to Weight: Bending, points 7.7
25
Strength to Weight: Axial, points 0.66
28 to 41
Strength to Weight: Bending, points 1.8
24 to 31
Thermal Shock Resistance, points 3.8
16 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
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 to 0.080
Chromium (Cr), % 0
17 to 19
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
61.2 to 69
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
11.5 to 14.5
Nickel (Ni), % 0 to 0.010
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
0