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EN 1.4423 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4423 stainless steel and EN 1.8523 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4423 stainless steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
15
Fatigue Strength, MPa 380
530
Impact Strength: V-Notched Charpy, J 110
36
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 520
610
Tensile Strength: Ultimate (UTS), MPa 850
1000
Tensile Strength: Yield (Proof), MPa 630
800

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 780
480
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.2
Embodied Energy, MJ/kg 43
31
Embodied Water, L/kg 120
64

Common Calculations

PREN (Pitting Resistance) 21
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
36
Strength to Weight: Bending, points 25
28
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 31
29

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.45
Chromium (Cr), % 11 to 13
3.0 to 3.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 73.8 to 80.5
93.5 to 95.7
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.3 to 2.8
0.8 to 1.1
Nickel (Ni), % 6.0 to 7.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.0030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25