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SAE-AISI O1 Steel vs. Solder Alloy 181

SAE-AISI O1 steel belongs to the iron alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O1 steel and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
18
Poisson's Ratio 0.29
0.44
Shear Modulus, GPa 72
6.1
Tensile Strength: Ultimate (UTS), MPa 640 to 2060
27

Thermal Properties

Latent Heat of Fusion, J/g 250
26
Melting Completion (Liquidus), °C 1460
310
Melting Onset (Solidus), °C 1420
300
Specific Heat Capacity, J/kg-K 470
130
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 12
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
7.4

Otherwise Unclassified Properties

Density, g/cm3 7.8
11
Embodied Carbon, kg CO2/kg material 1.9
6.2
Embodied Energy, MJ/kg 27
100

Common Calculations

Stiffness to Weight: Axial, points 13
0.86
Stiffness to Weight: Bending, points 24
7.7
Strength to Weight: Axial, points 23 to 73
0.66
Strength to Weight: Bending, points 21 to 46
1.8
Thermal Diffusivity, mm2/s 12
16
Thermal Shock Resistance, points 21 to 68
3.8

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), % 0.85 to 1.0
0
Chromium (Cr), % 0.4 to 0.6
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), % 95 to 97.4
0 to 0.020
Lead (Pb), % 0
96.2 to 98
Manganese (Mn), % 1.0 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0 to 0.3
0
Zinc (Zn), % 0
0 to 0.0010