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Solder Alloy 715 vs. EN 1.4903 Stainless Steel

Solder alloy 715 belongs to the otherwise unclassified metals classification, while EN 1.4903 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 715 and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 21
20 to 21
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 30
670 to 680

Thermal Properties

Latent Heat of Fusion, J/g 61
270
Melting Completion (Liquidus), °C 220
1460
Melting Onset (Solidus), °C 220
1420
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 60
26
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 15
4.0

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 16
2.6
Embodied Energy, MJ/kg 270
36

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
24
Strength to Weight: Bending, points 2.9
22
Thermal Diffusivity, mm2/s 37
7.0
Thermal Shock Resistance, points 1.9
23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.040
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
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0.5 to 0.9
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
87.1 to 90.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.010
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 97.4 to 98.7
0
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.0010
0