1.Certification: DNV, BV, ABS, CCS, Velosi, Moody, etc 2.Specification and Dimension: meet virous requirements
Standards of Product:
DNV-RP-B401 Cathodic Protection Design
NORSOK M-503 Cathodic Protection
NACE RP-01-76 Recommended Practice - Control of Corrosion on Steel Fixed Off-shore Platforms Associated with Petroleum Production
NACE RP-03-87 Metallurgical and inspection requirements for cast sacrificial anodes for offshore applications
NACE RP-04-92 Metallurgical and inspection requirements for offshore pipeline bracelet anodes
NACE RP-06-75 Control of External corrosion on Offshore steel pipeline
GB/T 4948-2002 Sacrificial Anodes of Al-Zn-In Series Alloy
GB/T 17848-1999 Test Methods of Electrochemical Properties of Sacrificial Anodes
17-SAMSS-006 Galvanic Anodes for Cathodic Protection (Saudi Aramco Oil Company Material System Specification)
AS2239 Galvanic Anodes for Cathodic Protection (Australian Standard)
Chemical Composition of Alumimum Alloy (Al-Zn-In Alloy) by weight % | Elctrochemcial Properties | ||||||||||||
| Zn | In | Cd | Sn | Mg | Ti | Si | Fe | Cu | Al | Open Circuit Potential(V) v.s SCE | Operating Potential(V) v.s SCE | Current Capacity (A·h/kg) |
SR Series Anodes, Al-Zn-In Alloy Anode | 4.5-7.0 | 0.015-0.020 | / | / | / | / | 0.1 Max. | 0.12Max. | 0.005Max. | Balance | -1.14~-1.07 | -1.12~-1.09V | ≥2550 |
Al-Zn-In-Cd (A11,GB/T4948) | 2.5-3.5 | 0.018-0.05 | 0.005-0.020 | / | / | / | 0.1 Max. | 0.15Max. | 0.01Max. | Balance | -1.18~-1.10 | -1.12~-1.05 | ≥2400 |
Al-Zn-In-Sn (A12,GB/T4948) | 2.2-5.2 | 0.02-0.045 | / | 0.018-0.035 | / | / | 0.1 Max. | 0.15Max. | 0.01Max. | Balance | |||
Al-Zn-In-Si (A13,GB/T4948) | 5.5-7.0 | 0.025-0.035 | / | / | / | / | 0.1-0.15 | 0.15Max. | 0.01Max. | Balance | |||
Al-Zn-In-Sn-Mg (A13,GB/T4948) | 2.5-4.0 | 0.02-0.05 | / | 0.025-0.075 | 0.5-1.0 | / | 0.1 Max. | 0.15Max. | 0.01Max. | Balance | |||
Al-Zn-In-Sn-Mg-Ti (A21,GB/T4948) | 4.0-7.0 | 0.02-0.05 | / | / | 0.5-1.5 | 0.01-1.5 | 0.1 Max. | 0.15Max. | 0.01Max. | Balance | -1.18~-1.10 | -1.12~-1.05 | ≥2401 |
Al-Zn-In Alloy Anode (DNV-RP-B401) | 2.5-5.75 | 0.015-0.04 | 0.002Max. | / | / | / | 0.12 Max. | 0.09Max. | 0.003Max. | Balance | / | ≤-1.05V at end of the 4th testing period | ≥2500 |
Galvalum | 2.0-6.5 | 0.01-0.02 | / | / | / | / | 0.08-0.2 | 0.12Max. | 0.006Max. | Balance | / | ≤-1.05V | ≥2300 |
Al-Zn-In Alloy Anode specially used in deep seawater | 4.75-5.75 | 0.016-0.02 | 0.002Max. | / | / | / | 0.12 Max. | 0.07Max. | 0.003Max. | Balance | -1.15~-1.10 | -1.1~-1.07 | ≥2600 |
sacrificial anode
