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Solder Alloy 401 vs. SAE-AISI 1137 Steel

Solder alloy 401 belongs to the otherwise unclassified metals classification, while SAE-AISI 1137 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 9.0
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 50
190
Elongation at Break, % 21
11 to 17
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 29
700 to 760

Thermal Properties

Latent Heat of Fusion, J/g 60
250
Melting Completion (Liquidus), °C 230
1460
Melting Onset (Solidus), °C 230
1420
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 66
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
10
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 15
1.4
Embodied Energy, MJ/kg 250
19
Embodied Water, L/kg 1200
48

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 1.1
25 to 27
Strength to Weight: Bending, points 2.9
22 to 24
Thermal Diffusivity, mm2/s 40
14
Thermal Shock Resistance, points 1.9
21 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.32 to 0.39
Copper (Cu), % 0.5 to 0.9
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
97.8 to 98.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
1.4 to 1.7
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0.080 to 0.13
Tin (Sn), % 98.5 to 99.5
0
Zinc (Zn), % 0 to 0.0010
0