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AWS ERTi-12 vs. Solder Alloy 191

AWS ERTi-12 belongs to the titanium 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 (7, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
19
Elongation at Break, % 12
32
Poisson's Ratio 0.32
0.43
Shear Modulus, GPa 41
6.5
Tensile Strength: Ultimate (UTS), MPa 480
29

Thermal Properties

Latent Heat of Fusion, J/g 420
27
Melting Completion (Liquidus), °C 1670
300
Melting Onset (Solidus), °C 1620
300
Specific Heat Capacity, J/kg-K 540
130
Thermal Conductivity, W/m-K 21
24
Thermal Expansion, µm/m-K 8.7
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
7.2

Otherwise Unclassified Properties

Density, g/cm3 4.5
11
Embodied Carbon, kg CO2/kg material 31
5.8
Embodied Energy, MJ/kg 510
95

Common Calculations

Stiffness to Weight: Axial, points 13
0.93
Stiffness to Weight: Bending, points 35
8.0
Strength to Weight: Axial, points 30
0.72
Strength to Weight: Bending, points 30
1.9
Thermal Diffusivity, mm2/s 8.7
16
Thermal Shock Resistance, points 37
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 0.030
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0080
0
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.020
Lead (Pb), % 0
92.4 to 94
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.010
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silver (Ag), % 0
1.2 to 1.8
Tin (Sn), % 0
4.8 to 5.2
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
0 to 0.0010