MakeItFrom.com
Menu (ESC)

C33500 Brass vs. C68400 Brass

Both C33500 brass and C68400 brass are copper alloys. They have a very high 96% of their average alloy composition in common. There are 29 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 C33500 brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 3.0 to 28
18
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
41
Shear Strength, MPa 220 to 360
330
Tensile Strength: Ultimate (UTS), MPa 340 to 650
540
Tensile Strength: Yield (Proof), MPa 120 to 420
310

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 930
840
Melting Onset (Solidus), °C 900
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
66
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
87
Electrical Conductivity: Equal Weight (Specific), % IACS 29
99

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 160
81
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 860
460
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 22
19
Strength to Weight: Bending, points 13 to 21
19
Thermal Diffusivity, mm2/s 37
21
Thermal Shock Resistance, points 11 to 22
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 62 to 65
59 to 64
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0.25 to 0.7
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 33.8 to 37.8
28.6 to 39.3
Residuals, % 0
0 to 0.5