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ACI-ASTM CN7M Steel vs. EN 1.3963 Alloy

Both ACI-ASTM CN7M steel and EN 1.3963 alloy are iron alloys. They have 73% 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 ACI-ASTM CN7M steel and the bottom bar is EN 1.3963 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
29
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 480
440
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 15
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
25
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 5.6
4.8
Embodied Energy, MJ/kg 78
66
Embodied Water, L/kg 210
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 12
110

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 19 to 22
0 to 0.25
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
60.5 to 64.9
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 2.0 to 3.0
0 to 1.0
Nickel (Ni), % 27.5 to 30.5
35 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0.1 to 0.2