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EN 1.6554 Steel vs. ACI-ASTM CK20 Steel

Both EN 1.6554 steel and ACI-ASTM CK20 steel are iron alloys. They have 56% of their average alloy composition in common. There are 30 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 1.6554 steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
37
Fatigue Strength, MPa 380 to 520
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 780 to 930
530
Tensile Strength: Yield (Proof), MPa 550 to 790
260

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
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 40
14
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.4
Embodied Energy, MJ/kg 22
62
Embodied Water, L/kg 53
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
160
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
19
Strength to Weight: Bending, points 24 to 27
19
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 23 to 27
13

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.2
Chromium (Cr), % 0.7 to 0.9
23 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
46.7 to 58
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
0 to 0.5
Nickel (Ni), % 1.0 to 2.0
19 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0 to 0.030
0