Admiralty Brass Tubes

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Admiralty Brass Tubes

 

Admiralty Brass is an Copper Zinc Alloy, and contains small amount of tin and arsenic as well. These admiralty brass tubes are renowned for their characteristic of superior corrosion resistance in a moderately polluted river water and clean seawater, both stagnant or slow moving water. The most common and wrought form is tube for heat exchange equipment. These tubes are extensively used in various applications including; evaporators, condensate coolers, heaters, vent condensers, water heaters, generator, air coolers, turbine oil coolers for petrochemical, ship-building, power plants, desalinations plants etc. admiralty-brass-tubes
Moreover, Admiralty brass, which constitutes of 30% zinc and 1% tin & inhibits dezincification in most environments, is extensively used material in manufacturing tubes for the transportation of liquids in the coolers and evaporators. Few of the characteristics that is required by this industry includes; high thermal conductivity, light weight, strength, corrosion-resistance tube, long lastingness & durability.


Technical Specifications:-


Chemical
Composition of Admiralty Brass

 


Cu


70.0-73.0


Zn


rem.


Pb


0.07 max


Fe


0.06 max


Sn


0.9-1.2


As


0.02-0.08

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Related
Standards

 


ISS


Cuzn28Sn


KS


D5301
C4430


JIS


H3300
C4430


ASTM


B111
C44300


BS


2871
CZ111


DIN


1785
CuZn28Sn



Mechanical Properties

 


Classification


Temper


Designation


Outside diameter (mm)


Thickness (mm)


Tensile Strength Kgf/mm2


Elongation (%)


Yield Strength (kg/mm2)


ASTM JIS Admiralty Brass

Aluminum Brass


061 

061


C4430T-O
C4431TS-O

5mm
and over upto and incl 250mm


0.8mm and over upto and incl 10mm

32
min


30min


11min


C6870T-O
C6870TS-O

5mm
and over upto and incl 50mm


0.8mm and over upto and incl 10mm


36min


40min


13min


C6871T-O
C6871TS-O
C6872T-O


Over 50mm upto and incl 250mm


0.8mm and over upto and incl 10mm


36min


40min


13min

 

 


C6872TS-O