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ACI-ASTM CN3MN Steel vs. EN 1.6957 Steel

Both ACI-ASTM CN3MN steel and EN 1.6957 steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 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 CN3MN steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
280
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
18
Fatigue Strength, MPa 250
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 620
930
Tensile Strength: Yield (Proof), MPa 300
780

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
5.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
2.1
Embodied Energy, MJ/kg 84
29
Embodied Water, L/kg 200
60

Common Calculations

PREN (Pitting Resistance) 46
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
160
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
33
Strength to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.32
Chromium (Cr), % 20 to 22
1.2 to 1.8
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
92.7 to 94.7
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
0.25 to 0.45
Nickel (Ni), % 23.5 to 25.5
3.4 to 4.0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15