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ACI-ASTM CN3MN Steel vs. EN 1.8515 Steel

Both ACI-ASTM CN3MN steel and EN 1.8515 steel are iron alloys. They have 50% 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 ACI-ASTM CN3MN steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
11
Fatigue Strength, MPa 250
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 620
1130
Tensile Strength: Yield (Proof), MPa 300
940

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
470
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
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
3.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 84
22
Embodied Water, L/kg 200
60

Common Calculations

PREN (Pitting Resistance) 46
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 14
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 20 to 22
2.8 to 3.3
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
94.7 to 96.5
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 6.0 to 7.0
0.3 to 0.5
Nickel (Ni), % 23.5 to 25.5
0 to 0.3
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035