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SAE-AISI 1140 Steel vs. Solder Alloy 115

SAE-AISI 1140 steel belongs to the iron alloys classification, while solder alloy 115 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is solder alloy 115.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
12
Elastic (Young's, Tensile) Modulus, GPa 190
28
Elongation at Break, % 14 to 18
22
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 72
10
Tensile Strength: Ultimate (UTS), MPa 600 to 700
36

Thermal Properties

Latent Heat of Fusion, J/g 250
36
Melting Completion (Liquidus), °C 1460
250
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 51
43
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
95
Density, g/cm3 7.8
9.9
Embodied Carbon, kg CO2/kg material 1.4
7.8
Embodied Energy, MJ/kg 18
130
Embodied Water, L/kg 46
730

Common Calculations

Stiffness to Weight: Axial, points 13
1.6
Stiffness to Weight: Bending, points 24
10
Strength to Weight: Axial, points 21 to 25
1.0
Strength to Weight: Bending, points 20 to 22
2.4
Thermal Diffusivity, mm2/s 14
27
Thermal Shock Resistance, points 18 to 21
3.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.37 to 0.44
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 98.4 to 98.9
0 to 0.020
Lead (Pb), % 0
63.4 to 65.5
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0.080 to 0.13
0
Tin (Sn), % 0
34.5 to 35.5
Zinc (Zn), % 0
0 to 0.0010