About Smiths

We are a world-class supplier of engineering raw materials. Our objective is to provide all our customers, from the small machine shop to the large multi-national corporation, a supply path that continuously delivers the highest levels of service, quality and value.

DEF STAN 02 835 (NES 835)

Copper Nickel Alloy

NES 835 Copper Nickel Alloy

DEF STAN 02-835 (NES835) is an advanced precipitation-hardenable copper-nickel. The alloy is an improved version of 90/10 and 70/30 with excellent corrosion resistance and high mechanical strength. Designed specifically for the oil & gas, marine and naval market, DEF STAN 02-835 (NES835) also offers good resistance to impingement, very good anti-galling properties, and a freedom from hydrogen embrittlement and high impact strength. With high ductility, the alloy is easily welded, machined and fabricated.


DEF STAN 02-835 (NES835) copper-nickel alloy is an advanced precipitation-hardenable copper-nickel with improved mechanical properties over 90/10 and 70/30. The alloy offers excellent corrosion resistance and resistance to hydrogen embrittlement. DEF STAN 02-835 (NES835) was designed specifically for use in Oil & Gas, Marine and Naval applications. We offer this material ultrasonically tested to DEF STAN 02-729 Part 5 Issue 3 and to the latest revision of NDE02-05 .

Typical Applications

Commercial applications for this engineering material include:

  • Oil & gas, marine and naval applications
  • Production of high integrity components
  • Stampings
  • Fasteners
  • Machined items
  • Above sea and subsea components
  • Critical marine fasteners

We stock NES 835 in round bar and plate.

Technical Assistance

Our knowledgeable staff and resident metallurgists will be pleased to assist you further on any technical topic. Smiths Metal Centres Limited also boasts an in-house UKAS Accredited Testing Laboratory which is unique within the multi-metal and plastic stockholding sector. We believe this underlines our total commitment to quality and our ethos of being the complete service provider.

Additional Info

A technical datasheet for NES 835 is available in PDF file format. To view and download, please click here.

We offer in-house processing options - for more information, please refer to our processing services.

Read our corporate brochure by clicking here.

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