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C27000 Brass vs. C37100 Brass

Both C27000 brass and C37100 brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Rockwell Superficial 30T Hardness 52 to 78
43 to 71
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
370 to 520

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 930
900
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
27
Electrical Conductivity: Equal Weight (Specific), % IACS 30
30

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
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
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 22
13 to 18
Strength to Weight: Bending, points 14 to 21
14 to 18
Thermal Diffusivity, mm2/s 37
39
Thermal Shock Resistance, points 12 to 22
12 to 17

Alloy Composition

Copper (Cu), % 63 to 68.5
58 to 62
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.070
0.6 to 1.2
Zinc (Zn), % 31 to 37
36.3 to 41.4
Residuals, % 0
0 to 0.4