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50Cr-50Ni Alloy vs. CR021A Copper

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while CR021A copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 5.7
15
Poisson's Ratio 0.26
0.34
Shear Modulus, GPa 84
43
Tensile Strength: Ultimate (UTS), MPa 620
230
Tensile Strength: Yield (Proof), MPa 390
140

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Specific Heat Capacity, J/kg-K 490
390
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 50
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
31
Resilience: Unit (Modulus of Resilience), kJ/m3 350
83
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
7.1
Strength to Weight: Bending, points 20
9.3
Thermal Shock Resistance, points 14
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 48 to 52
0
Copper (Cu), % 0
99.95 to 99.998
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 44.5 to 52
0
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.020
0.0020 to 0.0070
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.5
0