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Solder Alloy 704 vs. EN 1.3975 Stainless Steel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while EN 1.3975 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
190
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 30
27
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 55
660

Thermal Properties

Latent Heat of Fusion, J/g 62
340
Melting Completion (Liquidus), °C 240
1360
Melting Onset (Solidus), °C 220
1320
Specific Heat Capacity, J/kg-K 220
500
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.5
Embodied Carbon, kg CO2/kg material 19
3.3
Embodied Energy, MJ/kg 320
47

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
26
Strength to Weight: Axial, points 2.1
24
Strength to Weight: Bending, points 4.3
22
Thermal Shock Resistance, points 3.5
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 0.050
Chromium (Cr), % 0
16 to 18
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
58.2 to 65.4
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 94.3 to 95.2
0
Zinc (Zn), % 0 to 0.0010
0