MakeItFrom.com
Menu (ESC)

C85400 Brass vs. CC751S Brass

Both C85400 brass and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is C85400 brass and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 23
5.6
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 220
450
Tensile Strength: Yield (Proof), MPa 85
320

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
850
Melting Onset (Solidus), °C 940
810
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
110
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
25
Electrical Conductivity: Equal Weight (Specific), % IACS 22
28

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
23
Resilience: Unit (Modulus of Resilience), kJ/m3 35
480
Stiffness to Weight: Axial, points 7.0
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
15
Strength to Weight: Bending, points 9.9
16
Thermal Diffusivity, mm2/s 28
35
Thermal Shock Resistance, points 7.6
15

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 65 to 70
62.7 to 66
Iron (Fe), % 0 to 0.7
0.25 to 0.5
Lead (Pb), % 1.5 to 3.8
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
0 to 0.8
Silicon (Si), % 0 to 0.050
0.65 to 1.1
Tin (Sn), % 0.5 to 1.5
0 to 0.8
Zinc (Zn), % 24 to 32
27.9 to 35.6
Residuals, % 0 to 1.1
0