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C68800 Brass vs. AWS E90C-B9

C68800 brass belongs to the copper alloys classification, while AWS E90C-B9 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is AWS E90C-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 36
18
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
75
Tensile Strength: Ultimate (UTS), MPa 570 to 890
710
Tensile Strength: Yield (Proof), MPa 390 to 790
460

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Melting Completion (Liquidus), °C 960
1460
Melting Onset (Solidus), °C 950
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
7.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 48
37
Embodied Water, L/kg 350
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
550
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19 to 30
25
Strength to Weight: Bending, points 19 to 25
23
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 19 to 30
20

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0 to 0.040
Carbon (C), % 0
0.080 to 0.13
Chromium (Cr), % 0
8.0 to 10.5
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0 to 0.2
Iron (Fe), % 0 to 0.2
84.4 to 90.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
0.85 to 1.2
Nickel (Ni), % 0
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0
0 to 0.5