DEF STAN 02-834 ~ NES834 data sheet

Copper and Copper Alloys | Aluminium Bronze

DEF STAN 02-834 ~ NES834

CommercialNES834 DEF STAN 834

A Silicon Aluminium Bronze Alloy with high strength and very high corrosion resistance especially in sewater and marine enviroments. Also has good ductility and impact strength. Mainly used in Naval Engineering, Nuclear, Aerospace and Defence Applications.

Chemical Composition

DEFSTAN 02-834(PT2)/1(2000) Rod, Section, Forging & Forging Stock
Chemical Element	% Present
Copper (Cu)	balance
Lead (Pb)	0.01 max
Nickel (Ni)	0.1 max
Tin (Sn)	0.1 max
Zinc (Zn)	0.4 max
Manganese (Mn)	0.5 max
Iron (Fe)	0.5 - 0.7
Silicon (Si)	2 - 2.4
Aluminium (Al)	6 - 6.4

Alloy Designations

DEF STAN 02-834

NES834

NES 834

DEF STAN 834

DGS1044

Temper Types

ANNEALED

Supplied Forms

Annealed Bar - Grades 1 and 2 Forgings Class 1, 2, 3

Bar
Rod
Forgings

Mechanical Properties

DEFSTAN 02-834(PT2)/1(2000) Rod & Section - Up to 50mm
Mechanical Property	Value
Proof Stress	275 Min MPa
Tensile Strength	525 Min MPa
Elongation A50 mm	20 Min %

DEFSTAN 02-834(PT2)/1(2000) Rod & Section - 50mm to 100mm
Mechanical Property	Value
Proof Stress	235 Min MPa
Tensile Strength	525 Min MPa
Elongation A50 mm	20 Min %

DEFSTAN 02-834(PT2)/1(2000) Rod & Section - Over 100mm
Mechanical Property	Value
Proof Stress	220 Min MPa
Tensile Strength	525 Min MPa
Elongation A50 mm	20 Min %

DEFSTAN 02-834(PT2)/1(2000) Forging & Forging Stock - All
Mechanical Property	Value
Proof Stress	220 Min MPa
Tensile Strength	525 Min MPa
Elongation A50 mm	20 Min %

Mechanical Properties shown are for annealed material.

Download PDF
Last updated 13 November 2018

Disclaimer

This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.

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, whether expressed or implied.

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. All transactions are subject to the Company’s current 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.

Resources

Strength in numbers

Copper and Copper Alloys | Aluminium Bronze