MakeItFrom.com
Menu (ESC)

C68400 Brass vs. Automotive Grey Cast Iron

C68400 brass belongs to the copper alloys classification, while automotive grey cast iron belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is automotive grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160 to 280
Elastic (Young's, Tensile) Modulus, GPa 110
180
Elongation at Break, % 18
9.6 to 14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
69 to 70
Tensile Strength: Ultimate (UTS), MPa 540
140 to 290
Tensile Strength: Yield (Proof), MPa 310
94 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
260 to 280
Melting Completion (Liquidus), °C 840
1380 to 1390
Melting Onset (Solidus), °C 820
1340 to 1350
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 66
41 to 43
Thermal Expansion, µm/m-K 20
12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.9 to 3.0
Density, g/cm3 7.9
7.5 to 7.6
Embodied Carbon, kg CO2/kg material 2.7
1.5 to 1.7
Embodied Energy, MJ/kg 47
21 to 24
Embodied Water, L/kg 320
44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
18 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 460
25 to 110
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
5.2 to 11
Strength to Weight: Bending, points 19
8.0 to 13
Thermal Diffusivity, mm2/s 21
11 to 12
Thermal Shock Resistance, points 18
4.2 to 8.6