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C69400 Brass vs. ASTM B631 Class B

C69400 brass belongs to the copper alloys classification, while ASTM B631 class B belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 260
150
Melting Completion (Liquidus), °C 920
2460 to 2480
Specific Heat Capacity, J/kg-K 410
170
Thermal Conductivity, W/m-K 26
450
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
50 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
32 to 34

Otherwise Unclassified Properties

Density, g/cm3 8.3
14
Embodied Carbon, kg CO2/kg material 2.7
49
Embodied Energy, MJ/kg 44
760

Common Calculations

Stiffness to Weight: Axial, points 7.4
8.1
Stiffness to Weight: Bending, points 19
14
Thermal Diffusivity, mm2/s 7.7
190