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AISI 302 Stainless Steel vs. Solder Alloy 191

AISI 302 stainless steel belongs to the iron alloys classification, while solder alloy 191 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI 302 stainless steel and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
19
Elongation at Break, % 4.5 to 46
32
Poisson's Ratio 0.28
0.43
Shear Modulus, GPa 77
6.5
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
29

Thermal Properties

Latent Heat of Fusion, J/g 280
27
Melting Completion (Liquidus), °C 1420
300
Melting Onset (Solidus), °C 1400
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 17
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.8
11
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 42
95

Common Calculations

Stiffness to Weight: Axial, points 14
0.93
Stiffness to Weight: Bending, points 25
8.0
Strength to Weight: Axial, points 21 to 51
0.72
Strength to Weight: Bending, points 20 to 36
1.9
Thermal Diffusivity, mm2/s 4.4
16
Thermal Shock Resistance, points 12 to 31
3.9

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 0.15
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), % 67.9 to 75
0 to 0.020
Lead (Pb), % 0
92.4 to 94
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0 to 0.010
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
1.2 to 1.8
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
4.8 to 5.2
Zinc (Zn), % 0
0 to 0.0010