MakeItFrom.com
Menu (ESC)

C69710 Brass vs. C90200 Bronze

Both C69710 brass and C90200 bronze are copper alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
30
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 470
260
Tensile Strength: Yield (Proof), MPa 230
110

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 40
62
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
34
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
63
Resilience: Unit (Modulus of Resilience), kJ/m3 250
55
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
8.3
Strength to Weight: Bending, points 16
10
Thermal Diffusivity, mm2/s 12
19
Thermal Shock Resistance, points 16
9.5

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
91 to 94
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0 to 0.3
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 13.8 to 22
0 to 0.5
Residuals, % 0
0 to 0.6