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ACI-ASTM CN3M Steel vs. EN 1.1221 Steel

Both ACI-ASTM CN3M steel and EN 1.1221 steel are iron alloys. They have 49% of their average alloy composition in common. There are 30 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 CN3M steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
10 to 21
Fatigue Strength, MPa 150
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 500
730 to 870
Tensile Strength: Yield (Proof), MPa 190
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.5
Embodied Energy, MJ/kg 80
19
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 89
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
26 to 31
Strength to Weight: Bending, points 17
23 to 26
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 11
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.030
0.57 to 0.65
Chromium (Cr), % 20 to 22
0 to 0.4
Iron (Fe), % 42.4 to 52.5
97.1 to 98.8
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 4.5 to 5.5
0 to 0.1
Nickel (Ni), % 23 to 27
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035