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Solder Alloy 801 vs. SAE-AISI 1040 Steel

Solder alloy 801 belongs to the otherwise unclassified metals classification, while SAE-AISI 1040 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 801 and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 22
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 53
190
Elongation at Break, % 33
13 to 20
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 20
73
Tensile Strength: Ultimate (UTS), MPa 55
570 to 640

Thermal Properties

Latent Heat of Fusion, J/g 64
250
Melting Completion (Liquidus), °C 200
1460
Melting Onset (Solidus), °C 200
1420
Specific Heat Capacity, J/kg-K 240
470
Thermal Conductivity, W/m-K 61
51
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.0

Otherwise Unclassified Properties

Density, g/cm3 7.2
7.8
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 240
18
Embodied Water, L/kg 1140
46

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 2.1
20 to 23
Strength to Weight: Bending, points 4.4
19 to 21
Thermal Diffusivity, mm2/s 36
14
Thermal Shock Resistance, points 3.3
18 to 20

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
0.37 to 0.44
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
98.6 to 99.03
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.6 to 0.9
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 to 0.050
Tin (Sn), % 89.9 to 91.5
0
Zinc (Zn), % 8.5 to 9.5
0