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EN 1.4518 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4518 stainless steel and EN 1.8523 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 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, % 34
15
Fatigue Strength, MPa 160
530
Impact Strength: V-Notched Charpy, J 90
36
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 490
1000
Tensile Strength: Yield (Proof), MPa 210
800

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1000
480
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.2
Embodied Energy, MJ/kg 55
31
Embodied Water, L/kg 160
64

Common Calculations

PREN (Pitting Resistance) 30
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 4.1
10
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.45
Chromium (Cr), % 18 to 20
3.0 to 3.5
Iron (Fe), % 61.4 to 70
93.5 to 95.7
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 3.5
0.8 to 1.1
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25