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Solder Alloy 131 vs. EN 1.4378 Stainless Steel

Solder alloy 131 belongs to the otherwise unclassified metals classification, while EN 1.4378 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is solder alloy 131 and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 47
14 to 34
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
77
Tensile Strength: Ultimate (UTS), MPa 31
760 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 46
290
Melting Completion (Liquidus), °C 180
1390
Melting Onset (Solidus), °C 180
1350
Specific Heat Capacity, J/kg-K 190
480
Thermal Expansion, µm/m-K 25
17

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.6
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 180
39
Embodied Water, L/kg 940
150

Common Calculations

Stiffness to Weight: Axial, points 2.4
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.0
28 to 41
Strength to Weight: Bending, points 2.5
24 to 31
Thermal Shock Resistance, points 2.4
16 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
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), % 35.5 to 37.3
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), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0