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ACI-ASTM CF3MN Steel vs. EN 1.8838 Steel

Both ACI-ASTM CF3MN steel and EN 1.8838 steel are iron alloys. They have 67% 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 ACI-ASTM CF3MN steel and the bottom bar is EN 1.8838 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
19
Fatigue Strength, MPa 250
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 580
610
Tensile Strength: Yield (Proof), MPa 290
430

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1010
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 160
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
100
Resilience: Unit (Modulus of Resilience), kJ/m3 210
500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 17 to 22
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 58.7 to 71.9
95 to 99.985
Manganese (Mn), % 0 to 1.5
0 to 1.8
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.23
Nickel (Ni), % 9.0 to 13
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.1 to 0.2
0 to 0.027
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.65
Sulfur (S), % 0 to 0.040
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14