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C69430 Brass vs. Automotive Grey Cast Iron

C69430 brass belongs to the copper alloys classification, while automotive grey cast iron belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 17
9.6 to 14
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
69 to 70
Tensile Strength: Ultimate (UTS), MPa 570
140 to 290
Tensile Strength: Yield (Proof), MPa 280
94 to 200

Thermal Properties

Latent Heat of Fusion, J/g 260
260 to 280
Melting Completion (Liquidus), °C 920
1380 to 1390
Melting Onset (Solidus), °C 820
1340 to 1350
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 26
41 to 43
Thermal Expansion, µm/m-K 18
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 27
1.9 to 3.0
Density, g/cm3 8.3
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 2.7
1.5 to 1.7
Embodied Energy, MJ/kg 44
21 to 24
Embodied Water, L/kg 300
44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
18 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 340
25 to 110
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
5.2 to 11
Strength to Weight: Bending, points 18
8.0 to 13
Thermal Diffusivity, mm2/s 7.7
11 to 12
Thermal Shock Resistance, points 20
4.2 to 8.6