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Solder Alloy 201 vs. EN 1.3955 Stainless Steel

Solder alloy 201 belongs to the otherwise unclassified metals classification, while EN 1.3955 stainless steel belongs to the iron alloys. There are 23 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 201 and the bottom bar is EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
200
Elongation at Break, % 38
23
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 41
520

Thermal Properties

Latent Heat of Fusion, J/g 64
290
Melting Completion (Liquidus), °C 240
1430
Melting Onset (Solidus), °C 240
1380
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 15
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 15
3.2
Embodied Energy, MJ/kg 250
45
Embodied Water, L/kg 1320
140

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.6
18
Strength to Weight: Bending, points 3.6
18
Thermal Diffusivity, mm2/s 17
4.1
Thermal Shock Resistance, points 2.7
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 4.5 to 5.5
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 0.15
Chromium (Cr), % 0
16.5 to 18.5
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
65.5 to 73.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
10 to 12
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 94 to 95.5
0
Zinc (Zn), % 0 to 0.0010
0