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EN 1.4031 Stainless Steel vs. Solder Alloy 201

EN 1.4031 stainless steel belongs to the iron alloys classification, while solder alloy 201 belongs to the otherwise unclassified metals. 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 EN 1.4031 stainless steel and the bottom bar is solder alloy 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
50
Elongation at Break, % 11 to 13
38
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 76
19
Tensile Strength: Ultimate (UTS), MPa 670 to 900
41

Thermal Properties

Latent Heat of Fusion, J/g 280
64
Melting Completion (Liquidus), °C 1440
240
Melting Onset (Solidus), °C 1400
240
Specific Heat Capacity, J/kg-K 480
220
Thermal Conductivity, W/m-K 30
28
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
12
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
15

Otherwise Unclassified Properties

Density, g/cm3 7.7
7.3
Embodied Carbon, kg CO2/kg material 1.9
15
Embodied Energy, MJ/kg 27
250
Embodied Water, L/kg 100
1320

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 24 to 32
1.6
Strength to Weight: Bending, points 22 to 27
3.6
Thermal Diffusivity, mm2/s 8.1
17
Thermal Shock Resistance, points 23 to 32
2.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
4.5 to 5.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.36 to 0.42
0
Chromium (Cr), % 12.5 to 14.5
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 83 to 87.1
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
94 to 95.5
Zinc (Zn), % 0
0 to 0.0010