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EN 1.4418 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4418 stainless steel and EN 1.8523 steel are iron alloys. 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 1.4418 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, % 16 to 20
15
Fatigue Strength, MPa 350 to 480
530
Impact Strength: V-Notched Charpy, J 62 to 90
36
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 530 to 620
610
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
1000
Tensile Strength: Yield (Proof), MPa 540 to 790
800

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 870
480
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 39
31
Embodied Water, L/kg 130
64

Common Calculations

PREN (Pitting Resistance) 20
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
36
Strength to Weight: Bending, points 26 to 28
28
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 31 to 36
29

Alloy Composition

Carbon (C), % 0 to 0.060
0.35 to 0.45
Chromium (Cr), % 15 to 17
3.0 to 3.5
Iron (Fe), % 73.2 to 80.2
93.5 to 95.7
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 0.8 to 1.5
0.8 to 1.1
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25