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ACI-ASTM CF8M Steel vs. EN 1.6932 Steel

Both ACI-ASTM CF8M steel and EN 1.6932 steel are iron alloys. They have 70% 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 1.6932 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
14
Fatigue Strength, MPa 280
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 290
720

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
440
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
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.0
Embodied Energy, MJ/kg 53
27
Embodied Water, L/kg 160
56

Common Calculations

PREN (Pitting Resistance) 28
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1370
Stiffness to Weight: Axial, points 14
13
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
12
Thermal Shock Resistance, points 12
26

Alloy Composition

Carbon (C), % 0 to 0.080
0.24 to 0.32
Chromium (Cr), % 18 to 21
1.0 to 1.5
Iron (Fe), % 60.3 to 71
94.5 to 96.4
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
0.35 to 0.55
Nickel (Ni), % 9.0 to 12
1.8 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.050 to 0.15