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ACI-ASTM CN7MS Steel vs. EN 1.1118 Cast Steel

Both ACI-ASTM CN7MS steel and EN 1.1118 cast steel are iron alloys. They have 50% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is EN 1.1118 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14 to 21
Fatigue Strength, MPa 200
320 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
700 to 750
Tensile Strength: Yield (Proof), MPa 230
460 to 630

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.4
Embodied Energy, MJ/kg 71
19
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
97 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
550 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
25 to 27
Strength to Weight: Bending, points 19
22 to 23
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 13
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.070
0.2 to 0.25
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
97.3 to 98.3
Manganese (Mn), % 0 to 1.0
1.5 to 1.8
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015