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S17400 Stainless Steel vs. Solder Alloy 171

S17400 stainless steel belongs to the iron alloys classification, while solder alloy 171 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 S17400 stainless steel and the bottom bar is solder alloy 171.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
16
Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 11 to 21
45
Poisson's Ratio 0.28
0.39
Shear Modulus, GPa 75
14
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
48

Thermal Properties

Latent Heat of Fusion, J/g 280
47
Melting Completion (Liquidus), °C 1440
180
Melting Onset (Solidus), °C 1400
180
Specific Heat Capacity, J/kg-K 480
190
Thermal Conductivity, W/m-K 17
50
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.7
13
Embodied Energy, MJ/kg 39
210

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 32 to 49
1.5
Strength to Weight: Bending, points 27 to 35
3.3
Thermal Diffusivity, mm2/s 4.5
30
Thermal Shock Resistance, points 30 to 46
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
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 3.0 to 5.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 70.4 to 78.9
0 to 0.020
Lead (Pb), % 0
34.7 to 36.7
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 3.0 to 5.0
0 to 0.010
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
61.5 to 62.5
Zinc (Zn), % 0
0 to 0.0010