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SAE-AISI 1137 Steel vs. Solder Alloy 131

SAE-AISI 1137 steel belongs to the iron alloys classification, while solder alloy 131 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1137 steel and the bottom bar is solder alloy 131.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 11 to 17
47
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
14
Tensile Strength: Ultimate (UTS), MPa 700 to 760
31

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1460
180
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 51
55
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
11
Embodied Energy, MJ/kg 19
180
Embodied Water, L/kg 48
940

Common Calculations

Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 25 to 27
1.0
Strength to Weight: Bending, points 22 to 24
2.5
Thermal Diffusivity, mm2/s 14
33
Thermal Shock Resistance, points 21 to 23
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.2 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.32 to 0.39
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 97.8 to 98.3
0 to 0.020
Lead (Pb), % 0
35.5 to 37.3
Manganese (Mn), % 1.4 to 1.7
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
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010