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EN 1.8523 Steel vs. ACI-ASTM CK20 Steel

Both EN 1.8523 steel and ACI-ASTM CK20 steel are iron alloys. They have 57% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8523 steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15
37
Fatigue Strength, MPa 530
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 1000
530
Tensile Strength: Yield (Proof), MPa 800
260

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.4
Embodied Energy, MJ/kg 31
62
Embodied Water, L/kg 64
190

Common Calculations

PREN (Pitting Resistance) 6.4
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1700
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
19
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 29
13

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.2
Chromium (Cr), % 3.0 to 3.5
23 to 27
Iron (Fe), % 93.5 to 95.7
46.7 to 58
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.1
0 to 0.5
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.040
Vanadium (V), % 0.15 to 0.25
0