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EN 1.3551 Steel vs. ACI-ASTM CF20 Steel

Both EN 1.3551 steel and ACI-ASTM CF20 steel are iron alloys. They have 74% of their average alloy composition in common. There are 26 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 EN 1.3551 steel and the bottom bar is ACI-ASTM CF20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 720
530

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 530
970
Melting Completion (Liquidus), °C 1490
1420
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 36
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
3.1
Embodied Energy, MJ/kg 71
44
Embodied Water, L/kg 82
150

Common Calculations

PREN (Pitting Resistance) 18
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 9.8
4.3
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.2
Chromium (Cr), % 3.9 to 4.3
18 to 21
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
64.2 to 74
Manganese (Mn), % 0.15 to 0.35
0 to 1.5
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 0
8.0 to 11
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0