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C21000 Brass vs. Austenitic Grey Cast Iron

C21000 brass belongs to the copper alloys classification, while austenitic grey cast iron belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Poisson's Ratio 0.34
0.29 to 0.3
Shear Modulus, GPa 43
69 to 72
Tensile Strength: Ultimate (UTS), MPa 240 to 450
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 200
280 to 350
Melting Completion (Liquidus), °C 1070
1340 to 1400
Melting Onset (Solidus), °C 1050
1290 to 1350
Specific Heat Capacity, J/kg-K 390
470 to 490
Thermal Expansion, µm/m-K 18
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
14 to 24
Density, g/cm3 8.8
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 2.6
3.1 to 4.7
Embodied Energy, MJ/kg 42
43 to 65
Embodied Water, L/kg 310
93 to 120

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23 to 25
Strength to Weight: Axial, points 7.4 to 14
5.3 to 8.2
Strength to Weight: Bending, points 9.6 to 15
7.9 to 11
Thermal Shock Resistance, points 8.1 to 15
4.5 to 6.5