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ACI-ASTM CF20 Steel vs. EN 1.8063 Steel

Both ACI-ASTM CF20 steel and EN 1.8063 steel are iron alloys. They have 72% 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 ACI-ASTM CF20 steel and the bottom bar is EN 1.8063 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 530
670 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 970
420
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
42
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
21
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24 to 71
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 11
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.2
0.46 to 0.54
Chromium (Cr), % 18 to 21
0.8 to 1.1
Iron (Fe), % 64.2 to 74
95.2 to 96.4
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.35
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
1.4 to 1.8
Sulfur (S), % 0 to 0.040
0 to 0.025