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ACI-ASTM CF3MN Steel vs. EN 1.8515 Steel

Both ACI-ASTM CF3MN steel and EN 1.8515 steel are iron alloys. They have 70% 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 CF3MN steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11
Fatigue Strength, MPa 250
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 580
1130
Tensile Strength: Yield (Proof), MPa 290
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1010
470
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 53
22
Embodied Water, L/kg 160
60

Common Calculations

PREN (Pitting Resistance) 30
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
40
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 13
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 17 to 22
2.8 to 3.3
Iron (Fe), % 58.7 to 71.9
94.7 to 96.5
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0.3 to 0.5
Nickel (Ni), % 9.0 to 13
0 to 0.3
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035