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C69700 Brass vs. AWS E33-31

C69700 brass belongs to the copper alloys classification, while AWS E33-31 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
29
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 470
810

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 930
1380
Melting Onset (Solidus), °C 880
1330
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
14

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
6.0
Embodied Energy, MJ/kg 44
86
Embodied Water, L/kg 310
260

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 Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 75 to 80
0.4 to 0.8
Iron (Fe), % 0 to 0.2
24.7 to 34.8
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.9
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0