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C68800 Brass vs. ASTM A217 Cast Steel

C68800 brass belongs to the copper alloys classification, while ASTM A217 cast steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 36
21 to 27
Poisson's Ratio 0.32
0.28 to 0.29
Shear Modulus, GPa 41
73 to 75
Tensile Strength: Ultimate (UTS), MPa 570 to 890
540 to 710
Tensile Strength: Yield (Proof), MPa 390 to 790
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 190
250 to 270
Maximum Temperature: Mechanical, °C 160
410 to 600
Melting Completion (Liquidus), °C 960
1450 to 1460
Melting Onset (Solidus), °C 950
1410 to 1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 40
26 to 50
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 20
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.4 to 7.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5 to 2.1
Embodied Energy, MJ/kg 48
20 to 28
Embodied Water, L/kg 350
47 to 87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
190 to 570
Stiffness to Weight: Axial, points 7.3
13 to 14
Stiffness to Weight: Bending, points 19
24 to 25
Strength to Weight: Axial, points 19 to 30
19 to 25
Strength to Weight: Bending, points 19 to 25
19 to 23
Thermal Diffusivity, mm2/s 12
6.9 to 14
Thermal Shock Resistance, points 19 to 30
16 to 20