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AWS BCo-1 vs. C34500 Brass

AWS BCo-1 belongs to the cobalt alloys classification, while C34500 brass belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BCo-1 and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 700
340 to 430

Thermal Properties

Latent Heat of Fusion, J/g 420
170
Melting Completion (Liquidus), °C 1150
910
Melting Onset (Solidus), °C 1120
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 110
45
Embodied Water, L/kg 430
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 24
12 to 15
Strength to Weight: Bending, points 22
13 to 16
Thermal Shock Resistance, points 21
11 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0.7 to 0.9
0
Carbon (C), % 0.35 to 0.45
0
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 46 to 54
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 0 to 1.0
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Nickel (Ni), % 16 to 18
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.5 to 8.5
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 3.5 to 4.5
0
Zinc (Zn), % 0
32 to 36.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.4