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EN 1.3963 Alloy vs. ACI-ASTM CF3MN Steel

Both EN 1.3963 alloy and ACI-ASTM CF3MN steel are iron alloys. They have 75% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 440
580
Tensile Strength: Yield (Proof), MPa 310
290

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.6
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.9
Embodied Energy, MJ/kg 66
53
Embodied Water, L/kg 110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 110
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
17 to 22
Iron (Fe), % 60.5 to 64.9
58.7 to 71.9
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
2.0 to 3.0
Nickel (Ni), % 35 to 37
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0.1 to 0.2
0 to 0.040