TECHNICAL DATA SHEET
TAIJIN TUBULAR ANODES FOR CATHODIC PROTECTION
TAIJIN Tubular Anodes are titanium tubes with a mixed metal oxide coating. The mixed metal oxide is a crystalline, electrically conductive coating that activates the titanium and enables it to function as an anode.
1. Substrate
Titanium ASTM B 338 Grade 1
1) Chemical Composition
ASTM B338 Grade I | CHEMICAL COMPOSITION | |||||||
Fe max
| C max
| N max
| H max
| O max
| Other element (single) | Other elements (total) | Ti | |
0.20% | 0.08% | 0.03% | 0.015% | 0.18% | ＜0.1% | ＜0.4% | Balance | |
2) Current Density
Soil | 100A/m2 | 20years |
Sea Water | 600A/m2 | 20years |
3) Coating: Mixed Metal Oxide
Iridium & Tantalum oxide (Soil, carbonaceous backfill and fresh water)
Ruthenium, Iridium & Tantalum oxide (Sea water)
2. Specification
Diameter (mm) | Length (mm) | Thickness (mm) | Weight (kg) | Surface area (m2) | Current Output (Amps) | Working Life (years) |
16 | 500 | 1 | 0.106 | 0.025 | 2.5A in soil 15A in seawater | ＞20 |
16 | 1000 | 1 | 0.212 | 0.050 | 5A in soil 30A in seawater | ＞20 |
25 | 500 | 1 | 0.170 | 0.0393 | 4 A in soil 23.5A in seawater | ＞20 |
25 | 1000 | 1.5 | 0.339 | 0.0785 | 8 A in soil 48A in seawater | ＞20 |
32 | 500 | 1.0 | 0.219 | 0.05 | 5 A in soil 30A in seawater | ＞20 |
32 | 1000 | 1.5 | 0.438 | 0.1 | 10 A in soil 60A in seawater | ＞20 |
Other specification is available on client's request. | ||||||
3. Accelerated Life
l Soil, carbonaceous backfill and fresh water
Test Conditions: 1mol/L Na2SO4, a current density of 10000A/m2
Test Result: Accelerated Life: 73 days
l Sea Water
Test Conditions: 1mol/L H2SO4, current density of 20000A/m2,
Test Results: Accelerated Life: 120 hours
4. Configuration
The following configurations are all available.
1) Single cable tail
2) Multiple anodes on a string
3) Canister
5. Typical Applications
1) Ground beds
2) Deep well
3) Shallow vertical
4) Horizontal
5) Open hole
6) Marine
6. Company profile
