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AWS E308 vs. C69300 Brass

AWS E308 belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E308 and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
8.5 to 15
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 620
550 to 630

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Melting Completion (Liquidus), °C 1420
880
Melting Onset (Solidus), °C 1380
860
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
38
Thermal Expansion, µm/m-K 14
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 150
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
19 to 21
Strength to Weight: Bending, points 21
18 to 20
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 16
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 0.75
73 to 77
Iron (Fe), % 62.9 to 72.5
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.5 to 2.5
0 to 0.1
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
0 to 0.1
Phosphorus (P), % 0 to 0.040
0.040 to 0.15
Silicon (Si), % 0 to 1.0
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5