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ACI-ASTM CK20 Steel vs. EN 1.5663 Steel

Both ACI-ASTM CK20 steel and EN 1.5663 steel are iron alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is EN 1.5663 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 37
20
Fatigue Strength, MPa 220
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 530
750
Tensile Strength: Yield (Proof), MPa 260
660

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.4
2.3
Embodied Energy, MJ/kg 62
31
Embodied Water, L/kg 190
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Shock Resistance, points 13
22

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.1
Chromium (Cr), % 23 to 27
0
Iron (Fe), % 46.7 to 58
88.6 to 91.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 19 to 22
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.0050
Vanadium (V), % 0
0 to 0.010