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C27000 Brass vs. C35000 Brass

Both C27000 brass and C35000 brass are copper alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is C27000 brass and the bottom bar is C35000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 53 to 91
53 to 91
Rockwell Superficial 30T Hardness 52 to 78
52 to 78
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
26
Electrical Conductivity: Equal Weight (Specific), % IACS 30
29

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 22
12 to 22
Strength to Weight: Bending, points 14 to 21
13 to 21
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 12 to 22
11 to 22

Alloy Composition

Copper (Cu), % 63 to 68.5
60 to 63
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.070
0.8 to 2.0
Zinc (Zn), % 31 to 37
34.5 to 39.2
Residuals, % 0
0 to 0.4

Comparable Variants