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Grade CW6MC Nickel vs. EN 1.7703 Steel

Grade CW6MC nickel belongs to the nickel alloys classification, while EN 1.7703 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 210
320 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 540
670 to 690
Tensile Strength: Yield (Proof), MPa 310
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
460
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 80
4.2
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
2.5
Embodied Energy, MJ/kg 200
35
Embodied Water, L/kg 290
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
570 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 2.8
11
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.060
0.11 to 0.15
Chromium (Cr), % 20 to 23
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 5.0
94.6 to 96.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 8.0 to 10
0.9 to 1.1
Nickel (Ni), % 55.4 to 68.9
0 to 0.25
Niobium (Nb), % 3.2 to 4.5
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35