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AWS E33-31 vs. C37700 Brass

AWS E33-31 belongs to the iron alloys classification, while C37700 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 29
40
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 81
39
Tensile Strength: Ultimate (UTS), MPa 810
400

Thermal Properties

Latent Heat of Fusion, J/g 320
170
Melting Completion (Liquidus), °C 1380
890
Melting Onset (Solidus), °C 1330
880
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 14
21

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 6.0
2.6
Embodied Energy, MJ/kg 86
45
Embodied Water, L/kg 260
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
14
Strength to Weight: Bending, points 24
15
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
58 to 61
Iron (Fe), % 24.7 to 34.8
0 to 0.3
Lead (Pb), % 0
1.5 to 2.5
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
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
35.7 to 40.5
Residuals, % 0
0 to 0.5