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C38000 Brass vs. C85400 Brass

Both C38000 brass and C85400 brass are copper alloys. They have 88% 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 C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
23
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 380
220
Tensile Strength: Yield (Proof), MPa 120
85

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 110
130
Melting Completion (Liquidus), °C 800
940
Melting Onset (Solidus), °C 760
940
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
89
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 22
25
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
40
Resilience: Unit (Modulus of Resilience), kJ/m3 74
35
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
7.5
Strength to Weight: Bending, points 14
9.9
Thermal Diffusivity, mm2/s 37
28
Thermal Shock Resistance, points 13
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.35
Copper (Cu), % 55 to 60
65 to 70
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 1.5 to 2.5
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0 to 0.3
0.5 to 1.5
Zinc (Zn), % 35.9 to 43.5
24 to 32
Residuals, % 0
0 to 1.1