MakeItFrom.com
Menu (ESC)

C69710 Brass vs. C85200 Brass

Both C69710 brass and C85200 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
28
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 470
270
Tensile Strength: Yield (Proof), MPa 230
95

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 930
940
Melting Onset (Solidus), °C 880
930
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 40
84
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
19

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
59
Resilience: Unit (Modulus of Resilience), kJ/m3 250
42
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
8.9
Strength to Weight: Bending, points 16
11
Thermal Diffusivity, mm2/s 12
27
Thermal Shock Resistance, points 16
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
70 to 74
Iron (Fe), % 0 to 0.2
0 to 0.6
Lead (Pb), % 0.5 to 1.5
1.5 to 3.8
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Zinc (Zn), % 13.8 to 22
20 to 27
Residuals, % 0
0 to 0.9