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Grade FDSiCr Steel vs. Solder Alloy 103

Grade FDSiCr steel belongs to the iron alloys classification, while solder alloy 103 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is solder alloy 103.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
37
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 80
13
Tensile Strength: Ultimate (UTS), MPa 1930
52

Thermal Properties

Latent Heat of Fusion, J/g 270
45
Melting Completion (Liquidus), °C 1440
190
Melting Onset (Solidus), °C 1400
180
Specific Heat Capacity, J/kg-K 480
180
Thermal Conductivity, W/m-K 48
50
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
12

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 48
910

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 25
12
Strength to Weight: Axial, points 69
1.6
Strength to Weight: Bending, points 44
3.5
Thermal Diffusivity, mm2/s 13
30
Thermal Shock Resistance, points 58
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.5 to 0.6
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0 to 0.12
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 96.5 to 97.8
0 to 0.020
Lead (Pb), % 0
38.8 to 40.5
Manganese (Mn), % 0.5 to 0.9
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.6
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010