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C38000 Brass vs. C87900 Brass

Both C38000 brass and C87900 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 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 C38000 brass and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
25
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 380
480
Tensile Strength: Yield (Proof), MPa 120
240

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
130
Melting Completion (Liquidus), °C 800
930
Melting Onset (Solidus), °C 760
900
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
100
Resilience: Unit (Modulus of Resilience), kJ/m3 74
270
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 14
17
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 55 to 60
63 to 69.2
Iron (Fe), % 0 to 0.35
0 to 0.4
Lead (Pb), % 1.5 to 2.5
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.3
0 to 0.25
Zinc (Zn), % 35.9 to 43.5
30 to 36
Residuals, % 0 to 0.5
0