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EN 1.5805 Steel vs. EN 1.7323 Steel

Both EN 1.5805 steel and EN 1.7323 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.5805 steel and the bottom bar is EN 1.7323 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
150 to 180
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 460 to 1180
480 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
410
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 40
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
2.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 53
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 42
17 to 52
Strength to Weight: Bending, points 17 to 32
17 to 36
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 13 to 35
14 to 43

Alloy Composition

Carbon (C), % 0.070 to 0.12
0.17 to 0.23
Chromium (Cr), % 0.9 to 1.2
0.3 to 0.6
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 95.7 to 97.2
97.1 to 98.4
Manganese (Mn), % 0.6 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 1.2 to 1.5
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.025
0.020 to 0.040

Comparable Variants