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C68000 Brass vs. C36000 Brass

Both C68000 brass and C36000 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is C36000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 27
5.8 to 23
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 390
330 to 530
Tensile Strength: Yield (Proof), MPa 140
140 to 260

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 880
900
Melting Onset (Solidus), °C 870
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 96
120
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 48
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
25 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 95
89 to 340
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14
11 to 18
Strength to Weight: Bending, points 15
13 to 18
Thermal Diffusivity, mm2/s 31
37
Thermal Shock Resistance, points 13
11 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
60 to 63
Iron (Fe), % 0.25 to 1.3
0 to 0.35
Lead (Pb), % 0 to 0.050
2.5 to 3.7
Manganese (Mn), % 0.010 to 0.5
0
Nickel (Ni), % 0.2 to 0.8
0
Silicon (Si), % 0.040 to 0.15
0
Tin (Sn), % 0.75 to 1.1
0
Zinc (Zn), % 35.6 to 42.8
32.5 to 37.5
Residuals, % 0
0 to 0.5