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Austenitic Grey Cast Iron vs. C68400 Brass

Austenitic grey cast iron belongs to the iron alloys classification, while C68400 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 austenitic grey cast iron and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.29 to 0.3
0.31
Shear Modulus, GPa 69 to 72
41
Tensile Strength: Ultimate (UTS), MPa 150 to 230
540

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
210
Melting Completion (Liquidus), °C 1340 to 1400
840
Melting Onset (Solidus), °C 1290 to 1350
820
Specific Heat Capacity, J/kg-K 470 to 490
400
Thermal Expansion, µm/m-K 13 to 14
20

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
23
Density, g/cm3 7.7 to 8.1
7.9
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
2.7
Embodied Energy, MJ/kg 43 to 65
47
Embodied Water, L/kg 93 to 120
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23 to 25
20
Strength to Weight: Axial, points 5.3 to 8.2
19
Strength to Weight: Bending, points 7.9 to 11
19
Thermal Shock Resistance, points 4.5 to 6.5
18