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C69700 Brass vs. AWS E240

C69700 brass belongs to the copper alloys classification, while AWS E240 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
17
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 470
770

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Melting Completion (Liquidus), °C 930
1390
Melting Onset (Solidus), °C 880
1350
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
42
Embodied Water, L/kg 310
160

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
28
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 13
3.9
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 75 to 80
0 to 0.75
Iron (Fe), % 0 to 0.2
58.6 to 68.4
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0