Copper Nickel Alloys

Nibron Special is a trademark of Columbia Metals Ltd. It is a high-strength copper-nickel-aluminium alloy closely related to the German Werkstoff number DIN 2.1504. The composition of Nibron Special is 14.5% nickel, 3% aluminium, 1.5% iron, 0.3% manganese, with the balance being copper. The upper limit for several other trace elements is also defined. The […]

Nibron Special is a trademark of Columbia Metals Ltd. It is a high-strength copper-nickel-aluminium alloy closely related to the German Werkstoff number DIN 2.1504. The first commercial aluminium-containing Cu-Ni alloy was developed by Langley Alloys in the 1940’s and marketed as Hidurax Special (Cu-15Ni-3Al). It was developed to meet a requirement for a high strength […]

Copper-nickel alloys (cupronickels) provide the most acceptable high-strength option for a copper alloy.

Hiduron is a trademark belonging to Langley Alloys Ltd and applies to a family of high-strength copper – nickel alloys.

NES835 is commonly used to describe the alloy better-known as Hiduron 191 (UNS C72420). The Hiduron family of alloys were developed by Langley Alloys in the late 1930s. This alloy was immediately adopted for naval applications during the second world war. Today, it continues to be used in a wide range of industries and applications. […]

DEF-STAN is shorthand for Defence Standard, a series of material standards developed by the UK’s Ministry of Defence. What is DEF-STAN 02-835? Defence Standard 02-835 covers the “Requirements for High Strength Copper Nickel Manganese Alloy Forgings, Forging Stock Rods and Sections”, which is the alloy better known as Hiduron 191. This alloy was developed by […]

2.0855 is the Werkstoff number for a copper nickel alloy most commonly known as Hidurel 5.

2.1504 is the Werkstoff number for a copper nickel alloy most commonly known as Hiduron 130.

Copper and alloys primarily based upon copper are considered non-magnetic.

The unique patina of copper and its alloys will develop over time and protects the surface from further corrosion.

Copper is an excellent conductor of both heat and electricity, only bettered by silver in both instances.

Cupronickel alloys provide excellent corrosion resistance, particularly in seawater.