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C99750 Brass vs. ASTM B631 Class B

C99750 brass belongs to the copper alloys classification, while ASTM B631 class B belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C99750 brass and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
210
Poisson's Ratio 0.32
0.31
Rockwell B Hardness 77 to 82
53 to 85
Shear Modulus, GPa 48
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 200
150
Melting Completion (Liquidus), °C 840
2460 to 2480
Specific Heat Capacity, J/kg-K 410
170
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
50 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
32 to 34

Otherwise Unclassified Properties

Density, g/cm3 8.1
14
Embodied Carbon, kg CO2/kg material 3.1
49
Embodied Energy, MJ/kg 51
760

Common Calculations

Stiffness to Weight: Axial, points 8.6
8.1
Stiffness to Weight: Bending, points 21
14