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SAE-AISI A4 Steel vs. Solder Alloy 112

SAE-AISI A4 steel belongs to the iron alloys classification, while solder alloy 112 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A4 steel and the bottom bar is solder alloy 112.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
33
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 73
12
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
41

Thermal Properties

Latent Heat of Fusion, J/g 250
41
Melting Completion (Liquidus), °C 1450
220
Melting Onset (Solidus), °C 1410
180
Specific Heat Capacity, J/kg-K 470
180
Thermal Conductivity, W/m-K 40
49
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
10

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.8
9.4
Embodied Energy, MJ/kg 24
160
Embodied Water, L/kg 59
830

Common Calculations

Stiffness to Weight: Axial, points 13
2.0
Stiffness to Weight: Bending, points 24
11
Strength to Weight: Axial, points 25 to 73
1.2
Strength to Weight: Bending, points 23 to 46
2.8
Thermal Diffusivity, mm2/s 11
30
Thermal Shock Resistance, points 23 to 67
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 0.9 to 2.2
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 92 to 95.5
0 to 0.020
Lead (Pb), % 0
49 to 50.5
Manganese (Mn), % 1.8 to 2.2
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
49.5 to 50.5
Zinc (Zn), % 0
0 to 0.0010