CORAL ‘A’ High Grade

CORAL® ‘A’ High Grade anode alloy with chemical composition according to
NORSOK standard M-503 and ISO 15589-2

The alloy is certified according to DNV Type Approval Programme.

Technical Specification

 Alloying elements Zn 3.5 – 5.0 % 
  In 0.015 – 0.025 % 
  Al Balance 
 Other elements Si  max. 0.10 % 
  Cu max. 0.003 % 
  Fe max. 0.09 % 
 Others Each  max. 0.02 % 

Anode Performance Data (ambient sea water)

Capacity :

  2585 Ah/kg (1173 Ah/lb)                    

Consumption rate :

  3.39 kg/Ayr (7.47 lbs/Ayr)                  

Closed circuit potential : 

  -1.09 volts (Ag/AgCl)                 

Specific gravity :

  2.78 kg/dm3 (0.101 lbs/cu.in)                 



Skarpenord Corrosion AS