1. Introduction Our sacrificial anode (abbreviation: aluminum anode) according to GB / T 4948-2002 research and production of aluminum alloy suitable for seawater ships, machinery and equipment, ballast tanks, tank walls, coastal facilities, submarine pipes, steel pile wharf, offshore platforms, cables and other facilities of the cathodic protection of metal corrosion. 2. The chemical composition of anodic aluminum species Zn In Cd Sn Mg Si Ti impurities, not more than Al Si Fe Cu Al-Zn-In-Cd 2.5-4.5 0.018-0.050 0.005-0.02 - - - - 0.10 0.15 0.01 balance Al-Zn -In -Sn 2.2-5.2 0.020-0.045 - 0.018-0.035 - - - 0.10 0.15 0.01 balance Al-Zn-In -Si 5.5-7.0 0.025-0.035 - - - 0.10-0.15 - 0.10 0.15 0.01 balance Al-Zn -In -Sn-Mg 2.5-4.0 0.020-0.050 - 0.025-0.075 0.50-1.00 - - 0.10 0.15 0.01 balance Al-Zn-In -Mg-Ti 4.0-7.0 0.020-0.050 - - 0.50-1.50 - 0.01-0.08 0.10 0.15 0.01 3. aluminum anode electrochemical performance margin performance indicator species open circuit potential -V (SCE) working potential -V (SCE) actual capacity A? h / kg current efficiency% dissolved aluminum anode common condition 1.10-1.18 1.05 -1.12 ≥2400 ≥85 corrosion product is easy to fall off, the surface uniformly dissolved. Efficient 1.10-1.18 1.05-1.12 ≥2600 ≥90 anodized aluminum alloy anode high activation 1.45-1.50 1.40-1.45 ≥2080 ≥70 4. aluminum anode in accordance with the specifications use classification as an inner reservoir tube aluminum sacrificial anodes Name Model Specification / mm Weight / kg A × (B1 + B2) × C aluminum sacrificial anodes AC-1 750 × (115 + 135) × 130 35.0 AC aluminum sacrificial anodes -2 500 × (115 + 135) × 130 23.0 aluminum sacrificial anodes AC-3 500 × (105 + 135) × 100 16.0 aluminum sacrificial anodes AC-4 300 × (105 + 135) × 100 10.0 2, Port Workers facilities, marine engineering facilities aluminum sacrificial anodes Name Model Specification / mm Weight / kg A × (B1 + B2) × C aluminum sacrificial anodes AI-1 2300 × (220 + 240) × 230 310.0 aluminum sacrificial anodes AI-2 1600 × (200 + 210) × 220 190.0 aluminum sacrificial anodes AI-3 1500 × (170 + 200) × 180 130.0 aluminum sacrificial anodes AI-4 900 × (150 + 170) × 160 58.0 aluminum sacrificial anodes AI- 5 1500 × (148 + 178) × 170 120.0 aluminum sacrificial anodes AI-6 850 × (180 + 220) × 180 85.0 aluminum sacrificial anodes AI-7 800 × (200 + 280) × 150 80.0 aluminum sacrificial anodes AI -8 700 × (160 + 220) × 180 72.5 aluminum sacrificial anodes AI-9 1250 × (115 + 135) × 130 56.0 aluminum sacrificial anodes AI-10 1000 × (115 + 135) × 130 46.0 aluminum sacrificial anodes AI-11 750 × (115 + 135) × 130 35.0 aluminum sacrificial anodes AI-12 500 × (115 + 135) × 130 23.0 3, ballast tanks with aluminum sacrificial anodes Name Model Specification / mm Weight / kg A × (B1 + B2) × C aluminum sacrificial anodes AT-1 500 × (115 + 135) × 130 23.0 aluminum sacrificial anodes AT-2 1500 × (65 + 75) × 70 21.5 aluminum sacrificial anodes AT-3 500 × (110 + 130) × 120 20.0 aluminum sacrificial anodes AT-4 1000 × (58.5 + 78.5) × 68 13.2 aluminum sacrificial anodes AT-5 800 × (56 + 74) × 65 10.0 AT-6 aluminum alloy sacrificial anodes 1150 × (48 + 54) × 51 9.0 aluminum sacrificial anodes AT-7 250 × (80 + 100) × 85 5.0 aluminum sacrificial anodes AT-8 200 × (70 + 90) × 70 3.0 4, seawater cooling water system Common aluminum sacrificial anodes Name Model Specification / mm Weight / kg A × (B1 + B2) × C aluminum sacrificial anodes AE-1 1200 × (200 + 280) × 150 120.0 aluminum sacrificial anodes AE-2 800 × (200 +280) × 150 80.0 aluminum sacrificial anodes AE-3 1000 × (115 + 135) × 130 46.0 aluminum sacrificial anodes AE-4 500 × (115 + 135) × 130 23.0 aluminum sacrificial anodes AE-5 1000 × ( 80 + 100) × 80 20.0 aluminum sacrificial anodes AE-6 500 × (105 + 135) × 100 16.0 aluminum sacrificial anodes AE-7 500 × (80 + 100) × 80 10.0 aluminum sacrificial anodes AE-8 400 × (110 + 120) × 50 7.0 aluminum sacrificial anodes AE-9 300 × (140 + 160) × 40 5.0 aluminum sacrificial anodes AE-10 200 × (90 + 110) × 40 3.0 aluminum sacrificial anodes AE-11 300 11.5 × 50 disc-shaped aluminum sacrificial anodes AE-12 360 × 40 disc-shaped aluminum sacrificial anodes 9.0 AE-13 300 × 40 disc-shaped aluminum sacrificial anodes 7.5 AE-14 200 × 50 disc-shaped aluminum 4.0 sacrificial anode AE-15 180 × 50 disc-shaped aluminum sacrificial anodes 3.5 AE-16 120 × 100 2.5 5 disc-shaped hull aluminum sacrificial anodes used Name Model Specification / mm Weight / kg A × B × C aluminum sacrifice Anode AH-1 800 × 140 × 60 17.0 aluminum sacrificial anodes AH-2 800 × 140 × 50 15.0 aluminum sacrificial anodes AH-3 800 × 140 × 40 12.0 aluminum sacrificial anodes AH-4 600 × 120 × 50 10.0 Aluminum alloy sacrificial anodes AH-5 400 × 120 × 50 6.5 aluminum sacrificial anodes AH-6 500 × 100 × 40 5.5 aluminum sacrificial anodes AH-7 400 × 100 × 40 4.5 aluminum sacrificial anodes AH-8 300 × 100 × 40 3.5 aluminum sacrificial anodes AH-9 250 × 100 × 40 2.5 aluminum sacrificial anodes AH-10 180 × 70 × 35 1.2 aluminum sacrificial anodes AH-11 300 × 150 × 50 5.8 aluminum sacrificial anodes AH-12 300 × 150 × 40 4.6 aluminum sacrificial anodes AH-13 300 × 150 × 40 4.8 6, commonly used aluminum alloy sacrificial anodes bracelet Name Specification ID × width × thickness × gap mm Weight Kg / pair mm bracelet core specification aluminum alloy sacrificial anodes Φ1020 × 200 × 35 × 51 68 5 × 50 bracelet aluminum alloy sacrificial anodes Φ819 × 60 × 30 × 51 13 5 × 25 bracelet aluminum alloy sacrificial anodes Φ624 × 80 × 30 × 51 17 5 × 50 bracelet aluminum alloy sacrificial anodes Φ513 × 100 × 30 × 51 17 5 × 50 bracelet aluminum alloy sacrificial anodes Φ487 × 200 × 45 × 51 41 5 × 50 bracelet aluminum alloy sacrificial anodes Φ470 × 480 × 25 × 51 50 5 × 50 aluminum alloy sacrificial bracelet anode Φ436 × 480 × 38 × 51 70 5 × 50 bracelet aluminum alloy sacrificial anodes Φ420 × 413 × 45 × 51 69 5 × 50 bracelet aluminum alloy sacrificial anodes Φ385 × 150 × 59 × 51 32 5 × 50 aluminum alloy bracelet sacrificial anode Φ335 × 505 × 38 × 51 56 5 × 50 bracelet aluminum alloy sacrificial anodes Φ280 × 250 × 45 × 51 29 5 × 50 bracelet aluminum alloy sacrificial anodes Φ252 × 250 × 45 × 51 26 5 × 50