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EN 1.4872 Stainless Steel vs. Solder Alloy 121

EN 1.4872 stainless steel belongs to the iron alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 25 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 EN 1.4872 stainless steel and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
11
Elastic (Young's, Tensile) Modulus, GPa 200
21
Elongation at Break, % 28
25
Poisson's Ratio 0.28
0.43
Shear Modulus, GPa 79
7.5
Tensile Strength: Ultimate (UTS), MPa 950
32

Thermal Properties

Latent Heat of Fusion, J/g 300
29
Melting Completion (Liquidus), °C 1390
290
Melting Onset (Solidus), °C 1340
230
Specific Heat Capacity, J/kg-K 490
140
Thermal Conductivity, W/m-K 15
31
Thermal Expansion, µm/m-K 16
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
80
Density, g/cm3 7.6
11
Embodied Carbon, kg CO2/kg material 3.3
5.6
Embodied Energy, MJ/kg 47
93
Embodied Water, L/kg 180
580

Common Calculations

Stiffness to Weight: Axial, points 15
1.1
Stiffness to Weight: Bending, points 26
8.6
Strength to Weight: Axial, points 35
0.84
Strength to Weight: Bending, points 28
2.1
Thermal Diffusivity, mm2/s 3.9
20
Thermal Shock Resistance, points 21
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.3
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 54.2 to 61.6
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 6.0 to 8.0
0 to 0.010
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
14.5 to 15.5
Zinc (Zn), % 0
0 to 0.0010