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Spring-Tempered (H08) C42600 Brass

H08 C42600 brass is C42600 brass in the H08 (spring) temper. It has the second highest strength and second lowest ductility compared to the other variants of C42600 brass. The graph bars on the material properties cards below compare H08 C42600 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

2.2 %

Poisson's Ratio

0.33

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

450 MPa 66 x 103 psi

Tensile Strength: Ultimate (UTS)

790 MPa 120 x 103 psi

Tensile Strength: Yield (Proof)

760 MPa 110 x 103 psi

Thermal Properties

Latent Heat of Fusion

200 J/g

Maximum Temperature: Mechanical

180 °C 350 °F

Melting Completion (Liquidus)

1030 °C 1890 °F

Melting Onset (Solidus)

1010 °C 1850 °F

Specific Heat Capacity

380 J/kg-K 0.091 BTU/lb-°F

Thermal Conductivity

110 W/m-K 63 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

25 % IACS

Electrical Conductivity: Equal Weight (Specific)

26 % IACS

Otherwise Unclassified Properties

Base Metal Price

31 % relative

Density

8.7 g/cm3 540 lb/ft3

Embodied Carbon

2.9 kg CO2/kg material

Embodied Energy

48 MJ/kg 20 x 103 BTU/lb

Embodied Water

340 L/kg 40 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

18 MJ/m3

Resilience: Unit (Modulus of Resilience)

2580 kJ/m3

Stiffness to Weight: Axial

7.1 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

33 mm2/s

Thermal Shock Resistance

28 points

Alloy Composition

Copper (Cu)Cu 87 to 90
Zinc (Zn)Zn 5.3 to 10.4
Tin (Sn)Sn 2.5 to 4.0
Nickel (Ni)Ni 0.050 to 0.2
Iron (Fe)Fe 0.050 to 0.2
Phosphorus (P)P 0.020 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

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