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Solder Alloy 402 vs. S21460 Stainless Steel

Solder alloy 402 belongs to the otherwise unclassified metals classification, while S21460 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is solder alloy 402 and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
200
Elongation at Break, % 20
46
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 57
830

Thermal Properties

Latent Heat of Fusion, J/g 64
290
Melting Completion (Liquidus), °C 310
1380
Melting Onset (Solidus), °C 230
1330
Specific Heat Capacity, J/kg-K 230
480
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.6
Embodied Carbon, kg CO2/kg material 15
3.0
Embodied Energy, MJ/kg 250
43
Embodied Water, L/kg 1180
160

Common Calculations

Stiffness to Weight: Axial, points 3.9
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.2
30
Strength to Weight: Bending, points 4.5
26
Thermal Shock Resistance, points 3.6
17

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 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.5 to 3.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
57.3 to 63.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
14 to 16
Nickel (Ni), % 0 to 0.010
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 95.9 to 97.5
0
Zinc (Zn), % 0 to 0.0010
0