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AWS BNi-1a vs. C69430 Brass

AWS BNi-1a belongs to the nickel alloys classification, while C69430 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-1a and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 70
42
Tensile Strength: Ultimate (UTS), MPa 450
570

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 980
820
Specific Heat Capacity, J/kg-K 500
410
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 55
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 240
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0
0.030 to 0.060
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
80 to 83
Iron (Fe), % 4.0 to 5.0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 70.6 to 76.3
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
3.5 to 4.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
11.4 to 16.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5