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Full-Hard (H04) C75200 Nickel Silver

H04 C75200 nickel silver is C75200 nickel silver in the H04 (full hard) temper. The graph bars on the material properties cards below compare H04 C75200 nickel silver to: wrought copper-nickels (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

120 GPa 18 x 106 psi

Poisson's Ratio

0.32

Rockwell B Hardness

85

Rockwell Superficial 30T Hardness

73

Shear Modulus

47 GPa 6.8 x 106 psi

Tensile Strength: Ultimate (UTS)

550 MPa 80 x 103 psi

Thermal Properties

Latent Heat of Fusion

210 J/g

Maximum Temperature: Mechanical

200 °C 390 °F

Melting Completion (Liquidus)

1110 °C 2030 °F

Melting Onset (Solidus)

1070 °C 1960 °F

Specific Heat Capacity

400 J/kg-K 0.095 BTU/lb-°F

Thermal Conductivity

33 W/m-K 19 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

6.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

6.3 % IACS

Otherwise Unclassified Properties

Base Metal Price

33 % relative

Density

8.5 g/cm3 530 lb/ft3

Embodied Carbon

4.1 kg CO2/kg material

Embodied Energy

62 MJ/kg 27 x 103 BTU/lb

Embodied Water

300 L/kg 36 gal/lb

Common Calculations

Stiffness to Weight: Axial

8.0 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

17 points

Thermal Diffusivity

9.8 mm2/s

Thermal Shock Resistance

18 points

Alloy Composition

Copper (Cu)Cu 63.5 to 66.5
Nickel (Ni)Ni 16.5 to 19.5
Zinc (Zn)Zn 12.7 to 20
Manganese (Mn)Mn 0 to 0.5
Iron (Fe)Fe 0 to 0.25
Lead (Pb)Pb 0 to 0.050
Residualsres. 0 to 0.5

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

Followup Questions

Further Reading

ASTM B151: Standard Specification for Copper-Nickel-Zinc Alloy (Nickel Silver) and Copper-Nickel Rod and Bar

ASTM B122: Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar

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

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