Aluminium Brass Tube

Aluminium Brass Tubes are generally used with brackish or sea water. Through its arsenic inhibition, it is virtually immune from dezincification and, when fully annealed, also practically free from stress-corrosion cracking. Aluminium Brass Tubes is resistant to pitting and even more so to impingement attack: in fresh water, a velocity of up to 3,5 m/s ( 11, 5 f/s) is admitted; it should be reduced to about 2,5 m/s (8,5 f/s) when operating in sea water.

Specifications:

Aluminium Brass Tubes
  • ASTM B 111 C 68700
  • ASME SB 111 C 68700
  • BS 2871 PART 3 CZ – 110
  • EN 12451 CuZN20 AL2As
  • NFA 51 102 CuZn22 Al2
  • JIS H – 3300 C 6870
Chemical Requirements  
Copper (Cu) 76.0 to 79.0%
Aluminium (Al) 1.8 to 2.5%
Arsenic (As) 0.02 to 0.06%
Zinc (An) Remainder
Iron (Fe) 0.06% Max
Physical Properties    
Condition T.S.Kg/mm2 EL% Min
Annealed 30 to 37.5 40%
Temper Annealed (TA) 35.50 min. 35%
As manufactured (M) 46 min.
Further Tests
Drift Test
Flattening Test
Microstructure Test
MN Test
Eddy Current Optional
Uses
Excellent resistance to impinging action of turbulently flowing sea and fresh water, Used in marine and power station condensers and petroleum refineries.

Aluminium Brass Tube

Send Enquiry