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C84800 Brass vs. C69700 Brass

Both C84800 brass and C69700 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 230
470
Tensile Strength: Yield (Proof), MPa 100
230

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 950
930
Melting Onset (Solidus), °C 830
880
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 72
43
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

Base Metal Price, % relative 27
26
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
99
Resilience: Unit (Modulus of Resilience), kJ/m3 53
250
Stiffness to Weight: Axial, points 6.6
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.3
16
Strength to Weight: Bending, points 9.6
16
Thermal Diffusivity, mm2/s 23
13
Thermal Shock Resistance, points 8.2
16

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 75 to 77
75 to 80
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 5.5 to 7.0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
2.5 to 3.5
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 3.0
0
Zinc (Zn), % 13 to 17
13.9 to 22
Residuals, % 0
0 to 0.5