MakeItFrom.com
Menu (ESC)

C85400 Brass vs. C99300 Copper

Both C85400 brass and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is C85400 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
200
Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 23
2.0
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 220
660
Tensile Strength: Yield (Proof), MPa 85
380

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 130
250
Melting Completion (Liquidus), °C 940
1080
Melting Onset (Solidus), °C 940
1070
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 89
43
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 22
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 46
70
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
11
Resilience: Unit (Modulus of Resilience), kJ/m3 35
590
Stiffness to Weight: Axial, points 7.0
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.5
22
Strength to Weight: Bending, points 9.9
20
Thermal Diffusivity, mm2/s 28
12
Thermal Shock Resistance, points 7.6
22

Alloy Composition

Aluminum (Al), % 0 to 0.35
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 65 to 70
68.6 to 74.4
Iron (Fe), % 0 to 0.7
0.4 to 1.0
Lead (Pb), % 1.5 to 3.8
0 to 0.020
Nickel (Ni), % 0 to 1.0
13.5 to 16.5
Silicon (Si), % 0 to 0.050
0 to 0.020
Tin (Sn), % 0.5 to 1.5
0 to 0.050
Zinc (Zn), % 24 to 32
0
Residuals, % 0
0 to 0.3