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C38000 Brass vs. AWS BNi-7

C38000 brass belongs to the copper alloys classification, while AWS BNi-7 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is AWS BNi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
170
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 39
67
Tensile Strength: Ultimate (UTS), MPa 380
550

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 800
890
Melting Onset (Solidus), °C 760
890
Specific Heat Capacity, J/kg-K 380
490
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
55
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
8.8
Embodied Energy, MJ/kg 46
120
Embodied Water, L/kg 330
240

Common Calculations

Stiffness to Weight: Axial, points 7.1
12
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
19
Strength to Weight: Bending, points 14
19
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.050
Boron (B), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
13 to 15
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 0.040
Nickel (Ni), % 0
73.3 to 77.3
Phosphorus (P), % 0
9.7 to 10.5
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 35.9 to 43.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5