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DEF STAN 02-833 (NES833) bronze alloyDEF STAN 02-833 (NES833)

DEF STAN 02-833 is a nickel aluminium bronze similar to CA104. The main difference being that DEF STAN 02-833 has been manufactured in accordance with the MoD’s Navy requirements. To improve the corrosion resistance of the material the standard states the nickel content must always exceed the iron content. Impact values are also taken on all sizes above 15mm diameter. We hold this material already 3.2 certified and ultrasonically tested to ensure that it meets the requirements of DEF STAN 02729 Part 5 Issue 3 and to NDE02-05 latest revision.

Key Features:

DEF STAN 02-833 (NES833) offers excellent corrosion and erosion resistance in marine environments, and excellent retention of properties in cryogenic temperatures. With good strength and toughness characteristics, the alloy has good resistance to shock loading and provides high levels of wear and abrasive resistance.

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.



Download DEF STAN 02-833 (NES833) Datasheet

Typical Applications:

  • Marine Valves
  • Marine Pumps
  • Marine Hardware
  • Thrust Washers
  • Worm Gears
  • High Strength Fasteners
  • Heavy duty Bushes & Bearings
  • Wear Plates


DEF STAN 02-833 (NES833) is available in round bar and hexagon. With thirty power saws available across the Smiths Group, we can efficiently cut your material to size regardless of quantity. This includes a fully automated magazine feed CNC rod blanking line.

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To find out more about Smiths Metal Centres extensive range of high quality bronze alloys, click on one of our products on the side menu of this web page.

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