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SAE-AISI A7 Steel vs. Solder Alloy 102

SAE-AISI A7 steel belongs to the iron alloys classification, while solder alloy 102 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is solder alloy 102.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
38
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 72
14
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
31

Thermal Properties

Latent Heat of Fusion, J/g 260
46
Melting Completion (Liquidus), °C 1470
180
Melting Onset (Solidus), °C 1430
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 37
53
Thermal Expansion, µm/m-K 12
25

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 13
11
Embodied Energy, MJ/kg 200
180
Embodied Water, L/kg 100
930

Common Calculations

Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 29 to 77
1.0
Strength to Weight: Bending, points 25 to 48
2.5
Thermal Diffusivity, mm2/s 10
32
Thermal Shock Resistance, points 27 to 72
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 81.4 to 87.7
0 to 0.020
Lead (Pb), % 0
36 to 37.5
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
62.5 to 63.5
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
0 to 0.0010