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C38000 Brass vs. ASTM A148 Cast Steel

C38000 brass belongs to the copper alloys classification, while ASTM A148 cast steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is ASTM A148 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
5.7 to 25
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
73
Tensile Strength: Ultimate (UTS), MPa 380
630 to 1300
Tensile Strength: Yield (Proof), MPa 120
390 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 110
400 to 430
Melting Completion (Liquidus), °C 800
1460
Melting Onset (Solidus), °C 760
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
37 to 47
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.3 to 3.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5 to 1.7
Embodied Energy, MJ/kg 46
20 to 22
Embodied Water, L/kg 330
48 to 53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 74
400 to 3570
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13
22 to 46
Strength to Weight: Bending, points 14
21 to 34
Thermal Diffusivity, mm2/s 37
9.9 to 13
Thermal Shock Resistance, points 13
18 to 38