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Solder Alloy 124 vs. Grade VDSiCr Steel

Solder alloy 124 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 124 and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
190
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 5.8
80
Tensile Strength: Ultimate (UTS), MPa 27
1950

Thermal Properties

Latent Heat of Fusion, J/g 24
270
Melting Completion (Liquidus), °C 330
1440
Melting Onset (Solidus), °C 320
1400
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 29
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
2.2
Density, g/cm3 11
7.7
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 68
20
Embodied Water, L/kg 470
48

Common Calculations

Stiffness to Weight: Axial, points 0.83
13
Stiffness to Weight: Bending, points 7.6
25
Strength to Weight: Axial, points 0.65
70
Strength to Weight: Bending, points 1.8
45
Thermal Diffusivity, mm2/s 15
12
Thermal Shock Resistance, points 3.9
58

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
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 to 0.080
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), % 97.2 to 98.2
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), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0