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ASTM B 843-1995 az31b 3/4" NPT thread water heater anode rod
Product Details:
| Place of Origin: | CHINA |
| Brand Name: | HIGH BROAD |
| Certification: | ISO |
| Model Number: | AZ31 WATER HEATER ROD |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1000kgs |
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| Price: | to be determined |
| Packaging Details: | Mg rod in plywooden case |
| Delivery Time: | 1-14 days |
| Payment Terms: | T/T, Western Union, L/C, D/P |
| Supply Ability: | 5000 tons per year |
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Detail Information |
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| Material: | AZ31 | Standard: | ASTM B 843-1995 Water Heater Anode Rod |
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| Thread: | 3/4'' NPT Thread | Usage: | Suburban Water Heater |
| High Light: | mg anode,magnesium sacrificial anode |
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Product Description
ASTM water heater anode rod
Role of the sacrificial anode rod
The anode rod is the most important factor in determining the working life of your water heater.
An anode rod is a steel core wire surrounded with one of three different metals.
These metals include aluminum, magnesium, and zinc.
The rod is screwed into the top of your water heater and protects your water heater from rusting.
When the tank is filled with water the anode rod sacrifices itself to protect the exposed steel of the water heater, through a method called electrolysis. Electrolysis happens when there are two pieces of metal connected inside of water, the process makes the anode rod corrode in place of the exposed steel in your water heater. During this process the more noble (less reactive) metal will corrode over the less (more reactive) noble metal. Aluminum, magnesium, and zinc are all much less noble than steel, meaning they will corrode before the steel, which is why they are used for anode rods.
Application of our magmesium anode rod:
Water Heater,Water container,Pre-polarization of steel structure in seawater,Gas pipe,Anticorrosion of steel and iron structure where high resistant and electrolyte(soil and water) existed.
Standard of Our water heater anode rod:
Type of Our water heater anode rod:
Extruded Magnesium Anode
Chemical composition %
| Alloy | Al | Mn | Zn (max) |
Ca (max) |
Si (max) |
Cu (max) |
Ni (max) |
Fe (max) |
Other Imp. | |
| each | total | |||||||||
| AZ31B | 2.5-3.5 | 0.2-1.0 | 0.6-1.4 | 0.04 | 0.10 | 0.01 | 0.001 | 0.005 | --- | 0.30 |
| Mg-Mn | 0.01 max | 0.5-1.3 | --- | --- | --- | 0.02 | 0.001 | 0.03 | 0.05 | 0.30 |
Specification and Dimension
| Diameter(inch) | Core eccentric(inch) | Core diameter(inch) | Straightness(inch/ 2 ft length) | Weight(lbs/inch) |
| 0.675-0.020 | 0.050 | 0.135 | 0.060 | 0.025 |
| 0.750-0.020 | 1/16 | 0.135 | 0.040 | 0.031 |
| 0.800-0.020 | 1/16 | 0.135 | 0.040 | 0.035 |
| 0.840-0.020 | 1/16 | 0.135 | 0.040 | 0.038 |
| 0.900-0.020 | 1/16 | 0.135 | 0.040 | 0.043 |
| 1.050-0.020 | 1/16 | 0.135 | 0.040 | 0.057 |
| 1.315-0.020 | 1/16 | 0.135 | 0.040 | 0.089 |
Electrochemical Performance
| Type |
Electrode Potential -V(vs Cu/CuSO4) |
Current Efficiency %(vs Cu/CuSO4) |
Generating Current (A.h)/kg(vs Cu/CuSO4) |
| HB- I | 1.57 | 85 | 1150 |
| HB- I | 1.15 | 85 | 1150 |
* We also take customers’ requirements order.
Lucky Liu