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EN 1.3963 Alloy vs. ACI-ASTM CN3MN Steel

Both EN 1.3963 alloy and ACI-ASTM CN3MN steel are iron alloys. They have 72% 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 CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 29
39
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 440
620
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 1.6
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 4.8
6.2
Embodied Energy, MJ/kg 66
84
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 260
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 110
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 60.5 to 64.9
41.4 to 50.3
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
6.0 to 7.0
Nickel (Ni), % 35 to 37
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0 to 0.010