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ACI-ASTM CF3 Steel vs. EN 1.5681 Steel

Both ACI-ASTM CF3 steel and EN 1.5681 steel are iron alloys. They have 75% 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 ACI-ASTM CF3 steel and the bottom bar is EN 1.5681 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
20
Fatigue Strength, MPa 270
300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 960
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.9
Embodied Energy, MJ/kg 45
25
Embodied Water, L/kg 150
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0 to 0.030
0.060 to 0.12
Chromium (Cr), % 17 to 21
0
Iron (Fe), % 62.9 to 75
92.9 to 94.9
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 12
4.5 to 5.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.020