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Half-Hard (H02) C51100 Bronze

H02 C51100 bronze is C51100 bronze in the H02 (half hard) temper. The graph bars on the material properties cards below compare H02 C51100 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

26 %

Poisson's Ratio

0.34

Rockwell B Hardness

67

Rockwell Superficial 30T Hardness

63

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

280 MPa 40 x 103 psi

Tensile Strength: Ultimate (UTS)

430 MPa 63 x 103 psi

Tensile Strength: Yield (Proof)

360 MPa 52 x 103 psi

Thermal Properties

Latent Heat of Fusion

200 J/g

Maximum Temperature: Mechanical

190 °C 370 °F

Melting Completion (Liquidus)

1060 °C 1950 °F

Melting Onset (Solidus)

970 °C 1790 °F

Specific Heat Capacity

380 J/kg-K 0.090 BTU/lb-°F

Thermal Conductivity

84 W/m-K 49 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

20 % IACS

Electrical Conductivity: Equal Weight (Specific)

20 % IACS

Otherwise Unclassified Properties

Base Metal Price

32 % relative

Density

8.9 g/cm3 550 lb/ft3

Embodied Carbon

3.0 kg CO2/kg material

Embodied Energy

48 MJ/kg 21 x 103 BTU/lb

Embodied Water

340 L/kg 41 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m3

Resilience: Unit (Modulus of Resilience)

560 kJ/m3

Stiffness to Weight: Axial

7.1 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

14 points

Strength to Weight: Bending

14 points

Thermal Diffusivity

25 mm2/s

Thermal Shock Resistance

16 points

Alloy Composition

Copper (Cu) 93.8 to 96.5
Tin (Sn) 3.5 to 4.9
Phosphorus (P) 0.030 to 0.35
Zinc (Zn) 0 to 0.3
Iron (Fe) 0 to 0.1
Lead (Pb) 0 to 0.050
Residuals 0 to 0.5

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

Followup Questions

Further Reading

ASTM B103: Standard Specification for Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar

ASM Specialty Handbook: Copper and Copper Alloys, J. R. Davis (editor), 2001