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EN 1.1118 Cast Steel vs. Grade CW6MC Nickel

EN 1.1118 cast steel belongs to the iron alloys classification, while grade CW6MC nickel belongs to the nickel alloys.

For each property being compared, the top bar is EN 1.1118 cast steel and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 21
28
Fatigue Strength, MPa 320 to 400
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 700 to 750
540
Tensile Strength: Yield (Proof), MPa 460 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 51
11
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
14
Embodied Energy, MJ/kg 19
200
Embodied Water, L/kg 48
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 1050
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 27
18
Strength to Weight: Bending, points 22 to 23
17
Thermal Diffusivity, mm2/s 14
2.8
Thermal Shock Resistance, points 22 to 24
15

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.060
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 97.3 to 98.3
0 to 5.0
Manganese (Mn), % 1.5 to 1.8
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030