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AWS BNi-1a vs. C47000 Brass

AWS BNi-1a belongs to the nickel alloys classification, while C47000 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-1a and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 70
40
Tensile Strength: Ultimate (UTS), MPa 450
380

Thermal Properties

Brazing Temperature, °C 1080 to 1200
910 to 950
Latent Heat of Fusion, J/g 370
170
Melting Completion (Liquidus), °C 1080
900
Melting Onset (Solidus), °C 980
890
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 55
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 120
47
Embodied Water, L/kg 240
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
15
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.010
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
57 to 61
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0
0 to 0.050
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
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0.25 to 1.0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
37.5 to 42.8
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.4