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AWS E33-31 vs. C66700 Brass

AWS E33-31 belongs to the iron alloys classification, while C66700 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 29
2.0 to 58
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 810
340 to 690

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1380
1090
Melting Onset (Solidus), °C 1330
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 14
20

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 6.0
2.7
Embodied Energy, MJ/kg 86
45
Embodied Water, L/kg 260
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
11 to 23
Strength to Weight: Bending, points 24
13 to 21
Thermal Shock Resistance, points 19
11 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
68.5 to 71.5
Iron (Fe), % 24.7 to 34.8
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 2.5 to 4.0
0.8 to 1.5
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
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5