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EN 1.4123 Stainless Steel vs. EN 1.3543 Stainless Steel

Both EN 1.4123 stainless steel and EN 1.3543 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 720 to 810
730

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 840
870
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
22
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.3
Embodied Energy, MJ/kg 62
32
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 24
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 29
27
Strength to Weight: Bending, points 23 to 25
24
Thermal Diffusivity, mm2/s 6.3
6.1
Thermal Shock Resistance, points 26 to 29
26

Alloy Composition

Carbon (C), % 0.35 to 0.5
1.0 to 1.2
Chromium (Cr), % 14 to 16.5
16 to 18
Iron (Fe), % 76.7 to 84.6
79.1 to 83.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
0.4 to 0.8
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.5
0