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C42500 Brass vs. ASTM A732 Cast Steel

C42500 brass belongs to the copper alloys classification, while ASTM A732 cast steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C42500 brass and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 49
4.0 to 25
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72 to 73
Tensile Strength: Ultimate (UTS), MPa 310 to 630
460 to 1470
Tensile Strength: Yield (Proof), MPa 120 to 590
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 200
250 to 260
Maximum Temperature: Mechanical, °C 180
400 to 430
Melting Completion (Liquidus), °C 1030
1440 to 1460
Melting Onset (Solidus), °C 1010
1400 to 1420
Specific Heat Capacity, J/kg-K 380
470 to 480
Thermal Conductivity, W/m-K 120
39 to 50
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.0 to 3.8
Density, g/cm3 8.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4 to 1.7
Embodied Energy, MJ/kg 46
19 to 24
Embodied Water, L/kg 330
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 130
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 1570
260 to 4770
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.9 to 20
16 to 52
Strength to Weight: Bending, points 12 to 19
17 to 37
Thermal Diffusivity, mm2/s 36
10 to 14
Thermal Shock Resistance, points 11 to 22
14 to 43