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SAE-AISI T8 Steel vs. Solder Alloy 402

SAE-AISI T8 steel belongs to the iron alloys classification, while solder alloy 402 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 T8 steel and the bottom bar is solder alloy 402.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
52
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 78
19
Tensile Strength: Ultimate (UTS), MPa 780 to 2140
57

Thermal Properties

Latent Heat of Fusion, J/g 250
64
Melting Completion (Liquidus), °C 1730
310
Melting Onset (Solidus), °C 1670
230
Specific Heat Capacity, J/kg-K 420
230
Thermal Conductivity, W/m-K 18
61
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.3
Embodied Carbon, kg CO2/kg material 10
15
Embodied Energy, MJ/kg 160
250
Embodied Water, L/kg 120
1180

Common Calculations

Stiffness to Weight: Axial, points 12
3.9
Stiffness to Weight: Bending, points 22
17
Strength to Weight: Axial, points 24 to 66
2.2
Strength to Weight: Bending, points 21 to 41
4.5
Thermal Diffusivity, mm2/s 4.8
37
Thermal Shock Resistance, points 24 to 66
3.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
2.5 to 3.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 69.3 to 75.4
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
95.9 to 97.5
Tungsten (W), % 13.3 to 14.8
0
Vanadium (V), % 1.8 to 2.4
0
Zinc (Zn), % 0
0 to 0.0010