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EN 1.4539 Stainless Steel vs. EN 1.4123 Stainless Steel

Both EN 1.4539 stainless steel and EN 1.4123 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 630
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.7
4.2
Embodied Energy, MJ/kg 78
62
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 36
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
26 to 29
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 3.2
6.3
Thermal Shock Resistance, points 14
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.5
Chromium (Cr), % 19 to 21
14 to 16.5
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
76.7 to 84.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
1.0 to 2.5
Nickel (Ni), % 24 to 26
0 to 0.5
Nitrogen (N), % 0 to 0.15
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 1.5