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Extra-Hard (H06) C26800 Brass

H06 C26800 brass is C26800 brass in the H06 (extra hard) temper. The graph bars on the material properties cards below compare H06 C26800 brass to: wrought brasses (top), all copper alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

110 GPa 15 x 106 psi

Poisson's Ratio

0.31

Rockwell B Hardness

86

Shear Modulus

40 GPa 5.9 x 106 psi

Tensile Strength: Ultimate (UTS)

580 MPa 84 x 103 psi

Thermal Properties

Latent Heat of Fusion

180 J/g

Maximum Temperature: Mechanical

130 °C 270 °F

Melting Completion (Liquidus)

930 °C 1710 °F

Melting Onset (Solidus)

900 °C 1660 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

120 W/m-K 67 BTU/h-ft-°F

Thermal Expansion

20 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

27 % IACS

Electrical Conductivity: Equal Weight (Specific)

30 % IACS

Otherwise Unclassified Properties

Base Metal Price

24 % relative

Calomel Potential

-360 mV

Density

8.1 g/cm3 510 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

45 MJ/kg 19 x 103 BTU/lb

Embodied Water

320 L/kg 38 gal/lb

Common Calculations

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

20 points

Strength to Weight: Bending

19 points

Thermal Diffusivity

37 mm2/s

Thermal Shock Resistance

19 points

Alloy Composition

Copper (Cu) 64 to 68.5
Zinc (Zn) 31 to 36
Lead (Pb) 0 to 0.15
Iron (Fe) 0 to 0.050
Residuals 0 to 0.3

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASTM B36: Standard Specification for Brass Plate, Sheet, Strip, And Rolled Bar

Copper: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993