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EN 1.7323 Steel vs. EN 1.7243 Steel

Both EN 1.7323 steel and EN 1.7243 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7323 steel and the bottom bar is EN 1.7243 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
150 to 170
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
480 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
420
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
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 50
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 52
17 to 49
Strength to Weight: Bending, points 17 to 36
17 to 35
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 14 to 43
14 to 41

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.15 to 0.21
Chromium (Cr), % 0.3 to 0.6
0.9 to 1.2
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 97.1 to 98.4
96.8 to 98.2
Manganese (Mn), % 0.7 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.4 to 0.5
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0.020 to 0.040
0 to 0.035

Comparable Variants