Aluminum anode is suitable for the cathodic protection.
Standard: GB/T 4948--2002
Main Application: Aluminum anodes are suitable for the cathodic protection for such metal structures as ships, machinary, offshore enginnering, harbor facilities, and pipings and cables in an ooze corrosion environment.
Chemical Composition | |||||||||
Type of Alloy | Zn | In | Cd | Sn | Mg | Si | Fe (max) | Cu (max) | Al |
Al-Zn-In-Cd | 2.5-4.5 | 0.018-0.050 | 0.005-0.020 | - | - | 0.10(max) | 0.15 | 0.15 | Balance |
Al-Zn-In-Sn | 2.2-5.2 | 0.020-0.045 | - | 0.018-0.035 | - | 0.10(max) | 0.15 | 0.15 | Balance |
Al-Zn-In-Si | 5.5-7.0 | 0.025-0.035 | - | - | - | 0.10-0.15 | 0.15 | 0.15 | Balance |
Al-Zn-In-Sn-Mg | 2.5-4.0 | 0.020-0.05 | - | 0.025-0.075 | 0.50-1.00 | 0.10(max) | 0.15 | 0.15 | Balance |
Electrochemical Performance | ||||
Item | Open-circuit ptenial V (SCE) | Working potential V (SCE) | Practical Current Capacity A.h/kg | Current efficiency(%) |
Performance | -1.18~-1.10 | -1.12~-1.05 | 2400(min) | 85(min) |
Aluminum Anode
