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Solder Alloy 301 vs. S15500 Stainless Steel

Solder alloy 301 belongs to the otherwise unclassified metals classification, while S15500 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 40
190
Elongation at Break, % 51
6.8 to 16
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 15
75
Tensile Strength: Ultimate (UTS), MPa 55
890 to 1490
Tensile Strength: Yield (Proof), MPa 49
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 55
280
Melting Completion (Liquidus), °C 140
1430
Melting Onset (Solidus), °C 140
1380
Specific Heat Capacity, J/kg-K 160
480
Thermal Conductivity, W/m-K 19
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 13
2.7
Embodied Energy, MJ/kg 210
39

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 30
890 to 4460
Stiffness to Weight: Axial, points 2.5
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.8
32 to 53
Strength to Weight: Bending, points 3.7
26 to 37
Thermal Diffusivity, mm2/s 13
4.6
Thermal Shock Resistance, points 7.2
30 to 50

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), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 0 to 0.050
2.5 to 4.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
71.9 to 79.9
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 41 to 43
0
Zinc (Zn), % 0 to 0.0010
0