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C68400 Brass vs. ASTM A148 Cast Steel

C68400 brass belongs to the copper alloys classification, while ASTM A148 cast steel belongs to the iron alloys. There are 29 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 C68400 brass and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 390
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
5.7 to 25
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 540
630 to 1300
Tensile Strength: Yield (Proof), MPa 310
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 130
400 to 430
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
37 to 47
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
7.3 to 7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.3 to 8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3 to 3.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5 to 1.7
Embodied Energy, MJ/kg 47
20 to 22
Embodied Water, L/kg 320
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 460
400 to 3570
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
22 to 46
Strength to Weight: Bending, points 19
21 to 34
Thermal Diffusivity, mm2/s 21
9.9 to 13
Thermal Shock Resistance, points 18
18 to 38