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ACI-ASTM CF8M Steel vs. EN 1.8527 Steel

Both ACI-ASTM CF8M steel and EN 1.8527 steel are iron alloys. They have 71% 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 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
16
Fatigue Strength, MPa 280
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 290
800

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1000
490
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 160
66

Common Calculations

PREN (Pitting Resistance) 28
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 12
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.12
Chromium (Cr), % 18 to 21
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.3 to 71
93.2 to 95.1
Manganese (Mn), % 0 to 1.5
0.85 to 1.2
Molybdenum (Mo), % 2.0 to 3.0
0.4 to 0.6
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035