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Aluminium Bronze NES835 (UNS C72420)


Technical Data Sheet

Chemical Composition Limits
Weight % P C S Mg Si Zn Sn Pb Cr Mn Cu Al Fe Ni Impurities
NES835 0.01 max 0.05 max 0.15 max 0.05 max 0.15 max 0.20 max 0.10 max 0.02 max 0.5 max 3.5/5.5 Rem 1.0/2.0 0.7/1.2 13.5/16.5 0.30 max

NES 835 is an aluminium bronze that has a great strength combined with excellent sea water corrosion and erosion resistance so is used a lot in the marine industry. Also NES835 has been one of the only materials to consistently show no effects of hydrogen embrittlement and also has good stress corrosion cracking with additions of iron in ammonia but the iron content has to be below 1% and the iron has to be retained in the solution.

Typical Mechanical Properties

Material Condition 0.2% Proof Stress (N/mm² ) Minimum Tensile Strength (N/mm² ) Elongation in 5.65 √ Cross Sectional Area (%) Minimum Izod Impact Joules
NES835 Rods and sections up to and including 125mm 430 725 18 40
NES835 Rods and sections over 125mm and forgings 400 710 18 40

Availability
NES835 is available in Bar and Forgings. For all other stock availability contact Sales.

Specifications
Similar Specifications
UNS C72420
MSA-MDS-19A/20A-BAR
DEF STAN 02: 835 (DEFSTAN02:835)
DGS 357 (DGS357)
DOD-C-24676
EB 4223A (EB4223A)
Trade Name's: COLUMBIA 835 and HIDURON 191

Services
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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