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Solder Alloy 703 vs. EN 1.4612 Stainless Steel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while EN 1.4612 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is solder alloy 703 and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 35
11
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 57
1690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 61
280
Melting Completion (Liquidus), °C 220
1450
Melting Onset (Solidus), °C 220
1400
Specific Heat Capacity, J/kg-K 220
480
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Density, g/cm3 7.4
7.9
Embodied Carbon, kg CO2/kg material 18
3.6
Embodied Energy, MJ/kg 300
50

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
60 to 65
Strength to Weight: Bending, points 4.4
40 to 43
Thermal Shock Resistance, points 3.7
58 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.4 to 1.8
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 0.015
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
71.5 to 75.5
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 0.010
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 95.8 to 96.7
0
Titanium (Ti), % 0
0.2 to 0.5
Zinc (Zn), % 0 to 0.0010
0