Equivalent Specifications

ASTM B 03 150 C63200
QQC 465 B
MIL B 24059

Key Features

A nickel aluminium bronze that can be heat treated by quench hardening and tempering.

Typical Uses

A nickel aluminium bronze used for naval applications, which is heat treated to enhance the corrosion properties.
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MIL-B-24059 C63200

A high strength nickel aluminum bronze CuAl9Ni4Fe4Mn2 which is produced in the quench hardened and temper annealed condition designed to substantially improve the ability of this alloy to resist corrosion. MIL-B-24059 is applied frequently in aggressive marine environments and can be supplied to the Military Specification MIL-B-24059. This alloy is largely used in high pressure submarine defence applications. MIL-B24059 can also be produced to meet the specifications of ASTM B 150 C63200, ASTM B 283 C63200,ASTM B 124 C63200, and QQ-C-465B C63200.

Description Nickel Aluminium Bronze
Nominal Composition CuAl9Ni4Fe4Mn2
Alloy Type Wrought

Typical Mechanical Properties

Tensile Strength (N/mm²) 630
Proof/Yield Strength (N/mm²) 300
Elongation (%) 15
Hardness Brinell  
Impact Izod J20°C  

Typical Physical Properties

Density g/cm³  
Melting Temperature Range °C 1035-1054
Thermal Conductivity W/mK  
Electrical Resistivity μΩ.m15°C  
Coefficient of Thermal Expansion 0-250°C  
Relative Magnetic Permeability  
Coefficient of Friction

Copper Alloys Ltd has the ability to modify existing alloys for improved performance. Many customers have benefited from this in the past.

To discuss your requirements, call a member of Copper Alloys Ltd's technical team on +44 (0) 1782-816888, or email sales@copperalloys.net.

This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with tempeter, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be acepted by the Company in respect of any action taken by any third party in reliance thereon.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.

Any advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the Company's Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions, a copy of which is available on request.