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AWS E318 vs. C87900 Brass

AWS E318 belongs to the iron alloys classification, while C87900 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E318 and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 29
25
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Melting Completion (Liquidus), °C 1440
930
Melting Onset (Solidus), °C 1400
900
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 62
46
Embodied Water, L/kg 160
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.0
37
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0 to 0.75
63 to 69.2
Iron (Fe), % 57.6 to 69.5
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.5 to 2.5
0 to 0.15
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 11 to 14
0 to 0.5
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0.8 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36