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Solder Alloy 715 vs. S38815 Stainless Steel

Solder alloy 715 belongs to the otherwise unclassified metals classification, while S38815 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 715 and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
190
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 21
34
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
74
Tensile Strength: Ultimate (UTS), MPa 30
610

Thermal Properties

Latent Heat of Fusion, J/g 61
370
Melting Completion (Liquidus), °C 220
1360
Melting Onset (Solidus), °C 220
1310
Specific Heat Capacity, J/kg-K 220
500
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.5
Embodied Carbon, kg CO2/kg material 16
3.8
Embodied Energy, MJ/kg 270
54

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
22
Strength to Weight: Bending, points 2.9
21
Thermal Shock Resistance, points 1.9
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.3
Antimony (Sb), % 0 to 0.1
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 0.030
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 0.5 to 0.9
0.75 to 1.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
56.1 to 67
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0 to 0.010
13 to 17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
5.5 to 6.5
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 97.4 to 98.7
0
Zinc (Zn), % 0 to 0.0010
0