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AWS BNi-4 vs. C87800 Brass

AWS BNi-4 belongs to the nickel alloys classification, while C87800 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 67
42
Tensile Strength: Ultimate (UTS), MPa 430
590

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Melting Completion (Liquidus), °C 1070
920
Melting Onset (Solidus), °C 980
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 60
27
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 220
300

Common Calculations

Stiffness to Weight: Axial, points 12
7.4
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 14
20
Strength to Weight: Bending, points 15
19
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
80 to 84.2
Iron (Fe), % 0 to 1.5
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 91.4 to 95.5
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.010
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
3.8 to 4.2
Sulfur (S), % 0 to 0.020
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
12 to 16
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5