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ACI-ASTM CF8M Steel vs. EN 1.7386 Steel

Both ACI-ASTM CF8M steel and EN 1.7386 steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 CF8M steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
18 to 21
Fatigue Strength, MPa 280
170 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 540
550 to 670
Tensile Strength: Yield (Proof), MPa 290
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1000
600
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 19
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.0
Embodied Energy, MJ/kg 53
28
Embodied Water, L/kg 160
88

Common Calculations

PREN (Pitting Resistance) 28
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
20 to 24
Strength to Weight: Bending, points 19
19 to 22
Thermal Diffusivity, mm2/s 4.3
6.9
Thermal Shock Resistance, points 12
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.080 to 0.15
Chromium (Cr), % 18 to 21
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.3 to 71
86.8 to 90.5
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.1
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0.25 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010