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EN 1.8879 Steel vs. ACI-ASTM CF3MN Steel

Both EN 1.8879 steel and ACI-ASTM CF3MN steel are iron alloys. They have 69% 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 EN 1.8879 steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
39
Fatigue Strength, MPa 460
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 830
580
Tensile Strength: Yield (Proof), MPa 710
290

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1010
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.9
Embodied Energy, MJ/kg 26
53
Embodied Water, L/kg 54
160

Common Calculations

PREN (Pitting Resistance) 2.0
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 24
13

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
17 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
58.7 to 71.9
Manganese (Mn), % 0 to 1.7
0 to 1.5
Molybdenum (Mo), % 0 to 0.7
2.0 to 3.0
Nickel (Ni), % 0 to 2.5
9.0 to 13
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0