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Grade CW6MC Nickel vs. AWS ERTi-7

Grade CW6MC nickel belongs to the nickel alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
20
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 540
340
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 980
320
Melting Completion (Liquidus), °C 1480
1670
Melting Onset (Solidus), °C 1430
1620
Specific Heat Capacity, J/kg-K 440
540
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.6
4.5
Embodied Carbon, kg CO2/kg material 14
47
Embodied Energy, MJ/kg 200
800
Embodied Water, L/kg 290
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
64
Resilience: Unit (Modulus of Resilience), kJ/m3 240
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 2.8
8.8
Thermal Shock Resistance, points 15
26

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20 to 23
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 5.0
0 to 0.12
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 55.4 to 68.9
0
Niobium (Nb), % 3.2 to 4.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.417 to 99.8