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EN 1.4438 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4438 stainless steel and EN 1.8523 steel are iron alloys. They have 67% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4438 stainless steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
15
Fatigue Strength, MPa 220
530
Impact Strength: V-Notched Charpy, J 90
36
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 420
610
Tensile Strength: Ultimate (UTS), MPa 620
1000
Tensile Strength: Yield (Proof), MPa 250
800

Thermal Properties

Latent Heat of Fusion, J/g 290
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 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.2
Embodied Energy, MJ/kg 60
31
Embodied Water, L/kg 160
64

Common Calculations

PREN (Pitting Resistance) 31
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
36
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.45
Chromium (Cr), % 17.5 to 19.5
3.0 to 3.5
Iron (Fe), % 57.3 to 66.5
93.5 to 95.7
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0.8 to 1.1
Nickel (Ni), % 13 to 16
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25