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EN 1.6771 Steel vs. Grade CX2MW Nickel

EN 1.6771 steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 8.0 to 8.7
34
Fatigue Strength, MPa 440 to 680
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
620
Tensile Strength: Yield (Proof), MPa 740 to 1140
350

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 440
980
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 46
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 25
170
Embodied Water, L/kg 58
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 93
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1460 to 3450
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 33 to 41
19
Strength to Weight: Bending, points 27 to 31
18
Thermal Diffusivity, mm2/s 13
2.7
Thermal Shock Resistance, points 27 to 35
17

Alloy Composition

Carbon (C), % 0.27 to 0.33
0 to 0.020
Chromium (Cr), % 0.8 to 1.2
20 to 22.5
Iron (Fe), % 92.2 to 95
2.0 to 6.0
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.6
12.5 to 14.5
Nickel (Ni), % 3.0 to 4.0
51.3 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35