Admiralty Brass Tubes
Standard Symbol
ASTM B 111 C 44300
BS 2871 Part 3 CZ - 111
EN 12451 CuZn28 Sn1As
NFA 51 102 CuZn29Sn1
JIS H 3300 C 4430
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Guide to selection of tube materials
River or Sea water
Dissolved salts less than 2000 ppm
Chloride less than 20 ppm
H2S and Ammonia is less than 1 ppm
Suspended solids less than 25 ppm
For temperature more than 200 degree C and less than 450 degree C.
Permissible average velocity of water 1.8 to 2.0 meter / sec
Product Applications areas
Heat Exchangers
Refineries Power Plants
Desalination Plants
Ship Building & Ship Repairs