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C87500 Brass vs. ASTM A356 Grade 8

C87500 brass belongs to the copper alloys classification, while ASTM A356 grade 8 belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
21
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 460
630
Tensile Strength: Yield (Proof), MPa 190
390

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 920
1470
Melting Onset (Solidus), °C 820
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
38
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 44
26
Embodied Water, L/kg 300
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
390
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 8.3
10
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 79 to 85
0
Iron (Fe), % 0
95.4 to 97.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.0 to 5.0
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0