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Solder Alloy 401 vs. Grade VDSiCr Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while grade VDSiCr steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
590
Elastic (Young's, Tensile) Modulus, GPa 50
190
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 29
1950

Thermal Properties

Latent Heat of Fusion, J/g 60
270
Melting Completion (Liquidus), °C 230
1440
Melting Onset (Solidus), °C 230
1400
Specific Heat Capacity, J/kg-K 220
480
Thermal Conductivity, W/m-K 66
46
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.5

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.7
Embodied Carbon, kg CO2/kg material 15
1.5
Embodied Energy, MJ/kg 250
20
Embodied Water, L/kg 1200
48

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.1
70
Strength to Weight: Bending, points 2.9
45
Thermal Diffusivity, mm2/s 40
12
Thermal Shock Resistance, points 1.9
58

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 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 0.5 to 0.9
0 to 0.060
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
96.6 to 97.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.5 to 0.9
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
1.2 to 1.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0