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Solder Alloy 502 vs. EN 1.4971 Stainless Steel

Solder alloy 502 belongs to the otherwise unclassified metals classification, while EN 1.4971 stainless steel belongs to the iron alloys. There are 20 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 502 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
210
Elongation at Break, % 34
34
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 58
800

Thermal Properties

Latent Heat of Fusion, J/g 66
300
Melting Completion (Liquidus), °C 350
1460
Melting Onset (Solidus), °C 220
1410
Specific Heat Capacity, J/kg-K 230
450
Thermal Conductivity, W/m-K 47
13
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.4
Embodied Carbon, kg CO2/kg material 15
7.6
Embodied Energy, MJ/kg 260
110

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.2
26
Strength to Weight: Bending, points 4.5
23
Thermal Diffusivity, mm2/s 28
3.4
Thermal Shock Resistance, points 3.6
19

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), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 3.5 to 4.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
24.3 to 37.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 93.8 to 95.7
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.0010
0