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AISI 439 Stainless Steel vs. Solder Alloy 151

AISI 439 stainless steel belongs to the iron alloys classification, while solder alloy 151 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is solder alloy 151.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
39
Elongation at Break, % 23
37
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 77
14
Tensile Strength: Ultimate (UTS), MPa 490
46

Thermal Properties

Latent Heat of Fusion, J/g 280
47
Melting Completion (Liquidus), °C 1510
150
Melting Onset (Solidus), °C 1430
150
Specific Heat Capacity, J/kg-K 480
190
Thermal Conductivity, W/m-K 25
44
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
10

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.3
9.2
Embodied Energy, MJ/kg 34
160
Embodied Water, L/kg 120
920

Common Calculations

Stiffness to Weight: Axial, points 14
2.5
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 18
1.4
Strength to Weight: Bending, points 18
3.2
Thermal Diffusivity, mm2/s 6.7
26
Thermal Shock Resistance, points 16
3.2

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
17.5 to 18.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 77.1 to 82.8
0 to 0.020
Lead (Pb), % 0
30.3 to 33
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
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
49.5 to 50.5
Titanium (Ti), % 0.2 to 1.1
0
Zinc (Zn), % 0
0 to 0.0010