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Solder Alloy 703 vs. AWS E316LMn

Solder alloy 703 belongs to the otherwise unclassified metals classification, while AWS E316LMn belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is AWS E316LMn.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 35
23
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
79
Tensile Strength: Ultimate (UTS), MPa 57
620

Thermal Properties

Latent Heat of Fusion, J/g 61
300
Melting Completion (Liquidus), °C 220
1420
Melting Onset (Solidus), °C 220
1370
Specific Heat Capacity, J/kg-K 220
470
Thermal Expansion, µm/m-K 22
14

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.9
Embodied Carbon, kg CO2/kg material 18
4.6
Embodied Energy, MJ/kg 300
64

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
22
Strength to Weight: Bending, points 4.4
20
Thermal Shock Resistance, points 3.7
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.050
0 to 0.75
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
47.5 to 59.4
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
5.0 to 8.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
15 to 18
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.9
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0