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SAE-AISI 4161 Steel vs. Solder Alloy 101

SAE-AISI 4161 steel belongs to the iron alloys classification, while solder alloy 101 belongs to the otherwise unclassified metals. There are 27 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 SAE-AISI 4161 steel and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
14
Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 20
48
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
14
Tensile Strength: Ultimate (UTS), MPa 680
31
Tensile Strength: Yield (Proof), MPa 410
27

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1460
180
Melting Onset (Solidus), °C 1410
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 43
51
Thermal Expansion, µm/m-K 12
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 50
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
14
Resilience: Unit (Modulus of Resilience), kJ/m3 460
9.9
Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 24
1.0
Strength to Weight: Bending, points 22
2.5
Thermal Diffusivity, mm2/s 12
31
Thermal Shock Resistance, points 22
2.4

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), % 0.56 to 0.64
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 96.7 to 97.6
0 to 0.020
Lead (Pb), % 0
35.8 to 37.5
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.25 to 0.35
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010