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C87500 Brass vs. ASTM A203 Steel

C87500 brass belongs to the copper alloys classification, while ASTM A203 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 C87500 brass and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
22 to 26
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 460
520 to 590
Tensile Strength: Yield (Proof), MPa 190
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
52
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.2 to 4.0
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6 to 1.7
Embodied Energy, MJ/kg 44
21 to 23
Embodied Water, L/kg 300
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
230 to 410
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
18 to 21
Strength to Weight: Bending, points 16
18 to 20
Thermal Diffusivity, mm2/s 8.3
14
Thermal Shock Resistance, points 17
15 to 17