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Nickel 690 vs. CR025A Copper

Nickel 690 belongs to the nickel alloys classification, while CR025A copper belongs to the copper alloys. There are 28 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 nickel 690 and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 3.4 to 34
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 640 to 990
230
Tensile Strength: Yield (Proof), MPa 250 to 760
140

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1380
1090
Melting Onset (Solidus), °C 1340
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 14
370
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
99
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
99

Otherwise Unclassified Properties

Base Metal Price, % relative 50
31
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 290
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
31
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 33
7.1
Strength to Weight: Bending, points 20 to 27
9.3
Thermal Diffusivity, mm2/s 3.5
110
Thermal Shock Resistance, points 16 to 25
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
99.9 to 99.96
Iron (Fe), % 7.0 to 11
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 58 to 66
0
Phosphorus (P), % 0
0.040 to 0.060
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0