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Solder Alloy 801 vs. EN 1.4901 Stainless Steel

Solder alloy 801 belongs to the otherwise unclassified metals classification, while EN 1.4901 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 801 and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
190
Elongation at Break, % 33
19
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 20
76
Tensile Strength: Ultimate (UTS), MPa 55
740

Thermal Properties

Latent Heat of Fusion, J/g 64
260
Melting Completion (Liquidus), °C 200
1490
Melting Onset (Solidus), °C 200
1450
Specific Heat Capacity, J/kg-K 240
470
Thermal Conductivity, W/m-K 61
26
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 19
9.3

Otherwise Unclassified Properties

Density, g/cm3 7.2
7.9
Embodied Carbon, kg CO2/kg material 14
2.8
Embodied Energy, MJ/kg 240
40
Embodied Water, L/kg 1140
89

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
26
Strength to Weight: Bending, points 4.4
23
Thermal Diffusivity, mm2/s 36
6.9
Thermal Shock Resistance, points 3.3
23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.020
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0.0010 to 0.0060
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.070 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
85.8 to 89.1
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.010
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 89.9 to 91.5
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zinc (Zn), % 8.5 to 9.5
0
Zirconium (Zr), % 0
0 to 0.010