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AISI 420 Stainless Steel vs. Solder Alloy 142

AISI 420 stainless steel belongs to the iron alloys classification, while solder alloy 142 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
33
Elongation at Break, % 8.0 to 15
37
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 76
12
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
43

Thermal Properties

Latent Heat of Fusion, J/g 280
42
Melting Completion (Liquidus), °C 1510
210
Melting Onset (Solidus), °C 1450
180
Specific Heat Capacity, J/kg-K 480
170
Thermal Conductivity, W/m-K 27
45
Thermal Expansion, µm/m-K 10
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
11

Otherwise Unclassified Properties

Density, g/cm3 7.7
9.3
Embodied Carbon, kg CO2/kg material 2.0
9.4
Embodied Energy, MJ/kg 28
160
Embodied Water, L/kg 100
890

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 25
11
Strength to Weight: Axial, points 25 to 62
1.3
Strength to Weight: Bending, points 22 to 41
2.9
Thermal Diffusivity, mm2/s 7.3
28
Thermal Shock Resistance, points 25 to 62
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 82.3 to 87.9
0 to 0.020
Lead (Pb), % 0
47.4 to 50
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
47.5 to 48.5
Zinc (Zn), % 0
0 to 0.0010