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Full-Hard (H04) C23000 Brass

H04 C23000 brass is C23000 brass in the H04 (full hard) temper. The graph bars on the material properties cards below compare H04 C23000 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 16 x 106 psi

Elongation at Break

5.0 %

Poisson's Ratio

0.33

Rockwell B Hardness

76

Rockwell Superficial 30T Hardness

70

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

290 MPa 42 x 103 psi

Tensile Strength: Ultimate (UTS)

470 MPa 68 x 103 psi

Tensile Strength: Yield (Proof)

400 MPa 57 x 103 psi

Thermal Properties

Latent Heat of Fusion

190 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

1030 °C 1880 °F

Melting Onset (Solidus)

990 °C 1810 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

160 W/m-K 92 BTU/h-ft-°F

Thermal Expansion

19 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

37 % IACS

Electrical Conductivity: Equal Weight (Specific)

39 % IACS

Otherwise Unclassified Properties

Base Metal Price

28 % relative

Calomel Potential

-350 mV

Density

8.6 g/cm3 540 lb/ft3

Embodied Carbon

2.6 kg CO2/kg material

Embodied Energy

43 MJ/kg 18 x 103 BTU/lb

Embodied Water

310 L/kg 38 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

22 MJ/m3

Resilience: Unit (Modulus of Resilience)

700 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

15 points

Strength to Weight: Bending

16 points

Thermal Diffusivity

48 mm2/s

Thermal Shock Resistance

16 points

Alloy Composition

Copper (Cu)Cu 84 to 86
Zinc (Zn)Zn 13.7 to 16
Iron (Fe)Fe 0 to 0.050
Lead (Pb)Pb 0 to 0.050
Residualsres. 0 to 0.2

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

Followup Questions

Further Reading

ASTM B134: Standard Specification for Brass Wire

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