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Spring-Tempered (H08) C61500 Bronze

H08 C61500 bronze is C61500 bronze in the H08 (spring) temper. It has the highest strength and lowest ductility compared to the other variants of C61500 bronze. The graph bars on the material properties cards below compare H08 C61500 bronze to: wrought bronzes (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

3.0 %

Poisson's Ratio

0.34

Rockwell Superficial 30T Hardness

85

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

550 MPa 80 x 103 psi

Tensile Strength: Ultimate (UTS)

970 MPa 140 x 103 psi

Tensile Strength: Yield (Proof)

720 MPa 110 x 103 psi

Thermal Properties

Latent Heat of Fusion

220 J/g

Maximum Temperature: Mechanical

220 °C 420 °F

Melting Completion (Liquidus)

1040 °C 1900 °F

Melting Onset (Solidus)

1030 °C 1890 °F

Specific Heat Capacity

430 J/kg-K 0.1 BTU/lb-°F

Thermal Conductivity

58 W/m-K 34 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

13 % IACS

Electrical Conductivity: Equal Weight (Specific)

13 % IACS

Otherwise Unclassified Properties

Base Metal Price

29 % relative

Density

8.4 g/cm3 530 lb/ft3

Embodied Carbon

3.2 kg CO2/kg material

Embodied Energy

52 MJ/kg 22 x 103 BTU/lb

Embodied Water

380 L/kg 45 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

27 MJ/m3

Resilience: Unit (Modulus of Resilience)

2310 kJ/m3

Stiffness to Weight: Axial

7.5 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

32 points

Strength to Weight: Bending

26 points

Thermal Diffusivity

16 mm2/s

Thermal Shock Resistance

34 points

Alloy Composition

Copper (Cu)Cu 89 to 90.5
Aluminum (Al)Al 7.7 to 8.3
Nickel (Ni)Ni 1.8 to 2.2
Lead (Pb)Pb 0 to 0.015
Residualsres. 0 to 0.5

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

Followup Questions

Further Reading

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015