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EN 1.4558 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4558 stainless steel and EN 1.8523 steel are iron alloys. They have 48% 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 1.4558 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, % 39
15
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 350
610
Tensile Strength: Ultimate (UTS), MPa 510
1000
Tensile Strength: Yield (Proof), MPa 200
800

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.2
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
2.2
Embodied Energy, MJ/kg 77
31
Embodied Water, L/kg 200
64

Common Calculations

PREN (Pitting Resistance) 22
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
28
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 12
29

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.35 to 0.45
Chromium (Cr), % 20 to 23
3.0 to 3.5
Iron (Fe), % 39.2 to 47.9
93.5 to 95.7
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.8 to 1.1
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
0.15 to 0.25