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SAE-AISI D7 Steel vs. Solder Alloy 122

SAE-AISI D7 steel belongs to the iron alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 21 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 D7 steel and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
20
Poisson's Ratio 0.28
0.43
Shear Modulus, GPa 73
6.9
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
30

Thermal Properties

Latent Heat of Fusion, J/g 270
27
Melting Completion (Liquidus), °C 1440
300
Melting Onset (Solidus), °C 1400
270
Specific Heat Capacity, J/kg-K 480
140
Thermal Conductivity, W/m-K 27
25
Thermal Expansion, µm/m-K 11
28

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 7.6
11
Embodied Carbon, kg CO2/kg material 11
5.0
Embodied Energy, MJ/kg 180
84
Embodied Water, L/kg 130
540

Common Calculations

Stiffness to Weight: Axial, points 14
1.0
Stiffness to Weight: Bending, points 25
8.2
Strength to Weight: Axial, points 29 to 78
0.77
Strength to Weight: Bending, points 25 to 48
2.0
Thermal Diffusivity, mm2/s 7.4
17
Thermal Shock Resistance, points 27 to 72
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 2.2 to 2.5
0
Chromium (Cr), % 11.5 to 13.5
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), % 76.6 to 81.9
0 to 0.020
Lead (Pb), % 0
88.4 to 90.5
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 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
9.5 to 10.5
Vanadium (V), % 3.8 to 4.4
0
Zinc (Zn), % 0
0 to 0.0010