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C85900 Brass vs. C21000 Brass

Both C85900 brass and C21000 brass are copper alloys. They have 65% of their average alloy composition in common. 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 C85900 brass and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 30
2.9 to 50
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 460
240 to 450
Tensile Strength: Yield (Proof), MPa 190
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 830
1070
Melting Onset (Solidus), °C 790
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 89
230
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
56
Electrical Conductivity: Equal Weight (Specific), % IACS 28
57

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 49
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
21 to 830
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 16
7.4 to 14
Strength to Weight: Bending, points 17
9.6 to 15
Thermal Diffusivity, mm2/s 29
69
Thermal Shock Resistance, points 16
8.1 to 15

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
94 to 96
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0 to 0.090
0 to 0.030
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
3.7 to 6.0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.2