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EN 1.3553 Steel vs. Solder Alloy 121

EN 1.3553 steel belongs to the iron alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
11
Elastic (Young's, Tensile) Modulus, GPa 200
21
Poisson's Ratio 0.29
0.43
Shear Modulus, GPa 77
7.5
Tensile Strength: Ultimate (UTS), MPa 720
32

Thermal Properties

Latent Heat of Fusion, J/g 260
29
Melting Completion (Liquidus), °C 1620
290
Melting Onset (Solidus), °C 1570
230
Specific Heat Capacity, J/kg-K 440
140
Thermal Conductivity, W/m-K 24
31
Thermal Expansion, µm/m-K 12
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 11
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
80
Density, g/cm3 8.4
11
Embodied Carbon, kg CO2/kg material 8.5
5.6
Embodied Energy, MJ/kg 130
93
Embodied Water, L/kg 96
580

Common Calculations

Stiffness to Weight: Axial, points 13
1.1
Stiffness to Weight: Bending, points 23
8.6
Strength to Weight: Axial, points 24
0.84
Strength to Weight: Bending, points 21
2.1
Thermal Diffusivity, mm2/s 6.4
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), % 0.78 to 0.86
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 80.7 to 83.7
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 4.7 to 5.2
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
14.5 to 15.5
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0
Zinc (Zn), % 0
0 to 0.0010