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Solder Alloy 151 vs. S20910 Stainless Steel

Solder alloy 151 belongs to the otherwise unclassified metals classification, while S20910 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is solder alloy 151 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 39
200
Elongation at Break, % 37
14 to 39
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 14
79
Tensile Strength: Ultimate (UTS), MPa 46
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 47
300
Melting Completion (Liquidus), °C 150
1420
Melting Onset (Solidus), °C 150
1380
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 44
13
Thermal Expansion, µm/m-K 26
16

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.2
4.8
Embodied Energy, MJ/kg 160
68
Embodied Water, L/kg 920
180

Common Calculations

Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.4
28 to 33
Strength to Weight: Bending, points 3.2
24 to 27
Thermal Diffusivity, mm2/s 26
3.6
Thermal Shock Resistance, points 3.2
17 to 21

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), % 17.5 to 18.5
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
20.5 to 23.5
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
52.1 to 62.1
Lead (Pb), % 30.3 to 33
0
Manganese (Mn), % 0
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0 to 0.010
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 49.5 to 50.5
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.0010
0