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EN 1.4951 Stainless Steel vs. Solder Alloy 123

EN 1.4951 stainless steel belongs to the iron alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4951 stainless steel and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
8.0
Elastic (Young's, Tensile) Modulus, GPa 200
18
Elongation at Break, % 38
45
Poisson's Ratio 0.27
0.44
Shear Modulus, GPa 79
6.2
Tensile Strength: Ultimate (UTS), MPa 630
28

Thermal Properties

Latent Heat of Fusion, J/g 300
26
Melting Completion (Liquidus), °C 1410
310
Melting Onset (Solidus), °C 1360
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 16
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 7.9
11
Embodied Carbon, kg CO2/kg material 4.3
4.5
Embodied Energy, MJ/kg 61
74
Embodied Water, L/kg 190
500

Common Calculations

Stiffness to Weight: Axial, points 14
0.9
Stiffness to Weight: Bending, points 25
7.8
Strength to Weight: Axial, points 22
0.69
Strength to Weight: Bending, points 21
1.8
Thermal Diffusivity, mm2/s 3.9
16
Thermal Shock Resistance, points 14
3.8

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 0.1
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.040 to 0.080
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), % 49.1 to 57
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0 to 0.010
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
0 to 0.0010