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C21000 Brass vs. AWS BNi-11

C21000 brass belongs to the copper alloys classification, while AWS BNi-11 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is AWS BNi-11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 240 to 450
600

Thermal Properties

Latent Heat of Fusion, J/g 200
340
Melting Completion (Liquidus), °C 1070
1100
Melting Onset (Solidus), °C 1050
970
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
75
Density, g/cm3 8.8
9.1
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 310
230

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 7.4 to 14
18
Strength to Weight: Bending, points 9.6 to 15
17
Thermal Shock Resistance, points 8.1 to 15
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.2 to 3.1
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
9.0 to 11.8
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 94 to 96
0
Iron (Fe), % 0 to 0.050
2.5 to 4.0
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0
62.9 to 71.2
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
3.4 to 4.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
11.5 to 12.8
Zinc (Zn), % 3.7 to 6.0
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5