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SAE-AISI P20 Steel vs. EN 1.8523 Steel

Both SAE-AISI P20 steel and EN 1.8523 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P20 steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 540 to 1050
1000

Thermal Properties

Latent Heat of Fusion, J/g 260
260
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 45
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 52
64

Common Calculations

PREN (Pitting Resistance) 2.6
6.4
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 37
36
Strength to Weight: Bending, points 19 to 29
28
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 18 to 35
29

Alloy Composition

Carbon (C), % 0.28 to 0.4
0.35 to 0.45
Chromium (Cr), % 0.4 to 2.0
3.0 to 3.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95.2 to 98.5
93.5 to 95.7
Manganese (Mn), % 0.35 to 0.71
0.4 to 0.7
Molybdenum (Mo), % 0.3 to 0.55
0.8 to 1.1
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25