Typical Applications High precision parts: corrosion-resistant electrical connectors
Important corrosion-resistant structural components such as shipbuilding and petrochemicals
Other application areas: resistance and thermocouple alloy devices
Chemical composition

Copper Cu	Margin	Wt%
Nickel Ni	29.0~33.0	Wt%
Iron Fe	≤ 0.9	Wt%
Manganese Mn	≤ 1.0	Wt%
Lead Pb	≤ 0.05	Wt%
Phosphorus P	≤ 0.006	Wt%
Sulfur S	≤ 0.01	Wt%
Carbon C	≤ 0.05	Wt%
Silicon Si	≤ 0.15	Wt%

Physical performance

Melting point	1083	° C
Density	8.9	g/cm3
Conductivity	4.8	% IACS
Thermal conductivity k	36.8	W/m/k
Thermal expansion coefficient	16.8	μ M/m/° C
Elastic modulus	150	Gpa

Mechanical properties

Status	Bar specification (mm)	Tensile strength (MPa)	Yield strength (MPa)	Elongation rate (%)	Hardness (HRB)
O60	Φ 3-20	≥ 360	≥ 125	≥ 30	≥ 105
H04	Φ 20-100	≥ 520	≥ 380	≥ 7	≥ 155