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C68700 Brass vs. 50Cr-50Ni-Cb Alloy

C68700 brass belongs to the copper alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C68700 brass and the bottom bar is 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 41
84
Tensile Strength: Ultimate (UTS), MPa 390
620
Tensile Strength: Yield (Proof), MPa 140
390

Thermal Properties

Latent Heat of Fusion, J/g 190
350
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
60
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
9.2
Embodied Energy, MJ/kg 46
130
Embodied Water, L/kg 340
350

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 90
370
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13
21
Strength to Weight: Bending, points 14
20
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 1.8 to 2.5
0 to 0.25
Arsenic (As), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
47 to 52
Copper (Cu), % 76 to 79
0
Iron (Fe), % 0 to 0.060
0 to 1.0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
43.3 to 51.6
Niobium (Nb), % 0
1.4 to 1.7
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 17.8 to 22.2
0
Residuals, % 0 to 0.5
0