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SAE-AISI D7 Steel vs. Solder Alloy 502

SAE-AISI D7 steel belongs to the iron alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
53
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
58

Thermal Properties

Latent Heat of Fusion, J/g 270
66
Melting Completion (Liquidus), °C 1440
350
Melting Onset (Solidus), °C 1400
220
Specific Heat Capacity, J/kg-K 480
230
Thermal Conductivity, W/m-K 27
47
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Density, g/cm3 7.6
7.4
Embodied Carbon, kg CO2/kg material 11
15
Embodied Energy, MJ/kg 180
260

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 29 to 78
2.2
Strength to Weight: Bending, points 25 to 48
4.5
Thermal Diffusivity, mm2/s 7.4
28
Thermal Shock Resistance, points 27 to 72
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 0.080
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 2.2 to 2.5
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
3.5 to 4.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 76.6 to 81.9
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
93.8 to 95.7
Vanadium (V), % 3.8 to 4.4
0
Zinc (Zn), % 0
0 to 0.0010