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C68400 Brass vs. AWS E349

C68400 brass belongs to the copper alloys classification, while AWS E349 belongs to the iron alloys. There are 24 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 C68400 brass and the bottom bar is AWS E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
29
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 540
770

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Melting Completion (Liquidus), °C 840
1470
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
15
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.9
Embodied Energy, MJ/kg 47
72
Embodied Water, L/kg 320
150

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 21
4.1
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.13
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 59 to 64
0 to 0.75
Iron (Fe), % 0 to 1.0
60.5 to 71.1
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0.5 to 2.5
Molybdenum (Mo), % 0
0.35 to 0.65
Nickel (Ni), % 0 to 0.5
8.0 to 10
Niobium (Nb), % 0
0.75 to 1.2
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0