MakeItFrom.com
Menu (ESC)

C85700 Brass vs. C84800 Brass

Both C85700 brass and C84800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C85700 brass and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
18
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 310
230
Tensile Strength: Yield (Proof), MPa 110
100

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 940
950
Melting Onset (Solidus), °C 910
830
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 84
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
16
Electrical Conductivity: Equal Weight (Specific), % IACS 25
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
34
Resilience: Unit (Modulus of Resilience), kJ/m3 59
53
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11
7.3
Strength to Weight: Bending, points 13
9.6
Thermal Diffusivity, mm2/s 27
23
Thermal Shock Resistance, points 10
8.2

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Aluminum (Al), % 0 to 0.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 58 to 64
75 to 77
Iron (Fe), % 0 to 0.7
0 to 0.4
Lead (Pb), % 0.8 to 1.5
5.5 to 7.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0.5 to 1.5
2.0 to 3.0
Zinc (Zn), % 32 to 40
13 to 17
Residuals, % 0 to 1.3
0 to 0.7