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EN 1.5024 Steel vs. ACI-ASTM CK20 Steel

Both EN 1.5024 steel and ACI-ASTM CK20 steel are iron alloys. They have 54% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.5024 steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 470
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
530

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
14
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 19
62
Embodied Water, L/kg 45
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
19
Strength to Weight: Bending, points 22 to 45
19
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 20 to 58
13

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.2
Chromium (Cr), % 0
23 to 27
Iron (Fe), % 96.7 to 97.6
46.7 to 58
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.5 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040