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AWS E33-31 vs. C68300 Brass

AWS E33-31 belongs to the iron alloys classification, while C68300 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 29
15
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 810
430

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1380
900
Melting Onset (Solidus), °C 1330
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 14
20

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.0
2.8
Embodied Energy, MJ/kg 86
46
Embodied Water, L/kg 260
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 28
15
Strength to Weight: Bending, points 24
16
Thermal Shock Resistance, points 19
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
59 to 63
Iron (Fe), % 24.7 to 34.8
0
Lead (Pb), % 0
0 to 0.090
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
0.3 to 1.0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0.050 to 0.2
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5