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C34500 Brass vs. Automotive Grey Cast Iron

C34500 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 C34500 brass and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
180
Elongation at Break, % 12 to 28
9.6 to 14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
69 to 70
Tensile Strength: Ultimate (UTS), MPa 340 to 430
140 to 290
Tensile Strength: Yield (Proof), MPa 120 to 180
94 to 200

Thermal Properties

Latent Heat of Fusion, J/g 170
260 to 280
Melting Completion (Liquidus), °C 910
1380 to 1390
Melting Onset (Solidus), °C 890
1340 to 1350
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 120
41 to 43
Thermal Expansion, µm/m-K 21
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.9 to 3.0
Density, g/cm3 8.2
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 2.6
1.5 to 1.7
Embodied Energy, MJ/kg 45
21 to 24
Embodied Water, L/kg 320
44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
18 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
25 to 110
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
5.2 to 11
Strength to Weight: Bending, points 13 to 16
8.0 to 13
Thermal Diffusivity, mm2/s 37
11 to 12
Thermal Shock Resistance, points 11 to 14
4.2 to 8.6