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EN 1.7323 Steel vs. EN 1.8503 Steel

Both EN 1.7323 steel and EN 1.8503 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7323 steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 480 to 1460
1000

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.3
Embodied Energy, MJ/kg 20
33
Embodied Water, L/kg 50
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 52
35
Strength to Weight: Bending, points 17 to 36
28
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 14 to 43
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.17 to 0.23
0.16 to 0.24
Chromium (Cr), % 0.3 to 0.6
1.2 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.1 to 98.4
95.8 to 97.5
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0.4 to 0.5
0.65 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0.020 to 0.040
0 to 0.035
Vanadium (V), % 0
0.25 to 0.35