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AWS E312 vs. Solder Alloy 181

AWS E312 belongs to the iron alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
18
Elongation at Break, % 25
41
Poisson's Ratio 0.27
0.44
Shear Modulus, GPa 80
6.1
Tensile Strength: Ultimate (UTS), MPa 740
27

Thermal Properties

Latent Heat of Fusion, J/g 310
26
Melting Completion (Liquidus), °C 1410
310
Melting Onset (Solidus), °C 1360
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Expansion, µm/m-K 15
29

Otherwise Unclassified Properties

Density, g/cm3 7.7
11
Embodied Carbon, kg CO2/kg material 3.6
6.2
Embodied Energy, MJ/kg 52
100

Common Calculations

Stiffness to Weight: Axial, points 15
0.86
Stiffness to Weight: Bending, points 25
7.7
Strength to Weight: Axial, points 27
0.66
Strength to Weight: Bending, points 24
1.8
Thermal Shock Resistance, points 18
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 to 0.15
0
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 52.3 to 63.5
0 to 0.020
Lead (Pb), % 0
96.2 to 98
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.0010