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EN 1.1191 Steel vs. ACI-ASTM CN3MN Steel

Both EN 1.1191 steel and ACI-ASTM CN3MN steel are iron alloys. They have 47% 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 EN 1.1191 steel and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16 to 17
39
Fatigue Strength, MPa 210 to 290
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 630 to 700
620
Tensile Strength: Yield (Proof), MPa 310 to 440
300

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 48
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
200
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
21
Strength to Weight: Bending, points 21 to 22
20
Thermal Diffusivity, mm2/s 13
3.4
Thermal Shock Resistance, points 20 to 22
14

Alloy Composition

Carbon (C), % 0.42 to 0.5
0 to 0.030
Chromium (Cr), % 0 to 0.4
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.3 to 99.08
41.4 to 50.3
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
6.0 to 7.0
Nickel (Ni), % 0 to 0.4
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.010