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AWS BNi-2 vs. C27400 Brass

AWS BNi-2 belongs to the nickel alloys classification, while C27400 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 68
40
Tensile Strength: Ultimate (UTS), MPa 440
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 360
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 970
870
Specific Heat Capacity, J/kg-K 490
390
Thermal Expansion, µm/m-K 11
21

Otherwise Unclassified Properties

Base Metal Price, % relative 55
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 9.3
2.7
Embodied Energy, MJ/kg 130
45
Embodied Water, L/kg 230
320

Common Calculations

Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 15
13 to 23
Strength to Weight: Bending, points 16
14 to 21
Thermal Shock Resistance, points 16
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 6.0 to 8.0
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
61 to 64
Iron (Fe), % 2.5 to 3.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 79.1 to 84.8
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
35.6 to 39
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.3