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AWS E33-31 vs. C69430 Brass

AWS E33-31 belongs to the iron alloys classification, while C69430 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 29
17
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
42
Tensile Strength: Ultimate (UTS), MPa 810
570

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
920
Melting Onset (Solidus), °C 1330
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 14
18

Otherwise Unclassified Properties

Base Metal Price, % relative 36
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 6.0
2.7
Embodied Energy, MJ/kg 86
44
Embodied Water, L/kg 260
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 19
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
80 to 83
Iron (Fe), % 24.7 to 34.8
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 2.5 to 4.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5