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C85800 Brass vs. ASTM A732 Cast Steel

C85800 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 (3, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 15
4.0 to 25
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
72 to 73
Tensile Strength: Ultimate (UTS), MPa 380
460 to 1470
Tensile Strength: Yield (Proof), MPa 210
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 170
250 to 260
Maximum Temperature: Mechanical, °C 120
400 to 430
Melting Completion (Liquidus), °C 900
1440 to 1460
Melting Onset (Solidus), °C 870
1400 to 1420
Specific Heat Capacity, J/kg-K 380
470 to 480
Thermal Conductivity, W/m-K 84
39 to 50
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 22
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.0 to 3.8
Density, g/cm3 8.0
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4 to 1.7
Embodied Energy, MJ/kg 47
19 to 24
Embodied Water, L/kg 330
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
260 to 4770
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13
16 to 52
Strength to Weight: Bending, points 15
17 to 37
Thermal Diffusivity, mm2/s 27
10 to 14
Thermal Shock Resistance, points 13
14 to 43