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EN 1.5680 Steel vs. ACI-ASTM CF8C Steel

Both EN 1.5680 steel and ACI-ASTM CF8C steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5680 steel and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 310
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 620
530
Tensile Strength: Yield (Proof), MPa 440
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
980
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.7
Embodied Energy, MJ/kg 26
53
Embodied Water, L/kg 55
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 510
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 0
18 to 21
Iron (Fe), % 93.4 to 95
61.8 to 73
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 4.8 to 5.3
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.040
Vanadium (V), % 0 to 0.050
0