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EN 1.7711 Steel vs. ACI-ASTM CF3MN Steel

Both EN 1.7711 steel and ACI-ASTM CF3MN steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7711 steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
39
Fatigue Strength, MPa 290 to 520
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 690 to 930
580
Tensile Strength: Yield (Proof), MPa 400 to 800
290

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
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 33
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.9
Embodied Energy, MJ/kg 32
53
Embodied Water, L/kg 54
160

Common Calculations

PREN (Pitting Resistance) 2.9
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
190
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 33
20
Strength to Weight: Bending, points 22 to 27
20
Thermal Diffusivity, mm2/s 8.9
4.1
Thermal Shock Resistance, points 24 to 32
13

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
17 to 22
Iron (Fe), % 96 to 97.5
58.7 to 71.9
Manganese (Mn), % 0.45 to 0.85
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.65
2.0 to 3.0
Nickel (Ni), % 0
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.25 to 0.35
0