Tungsten Carbide Rod Corrosion Resistance In PH Value
- Details
- Category: Tungsten Information
- Published on Tuesday, 02 June 2015 16:39
Tungsten Carbide Rod Corrosion Resistance in PH Value
Although tungsten carbide rod with cobalt binder has fairly good resistance to attack by acetone, ethanol, gasoline and other organic solvents as well as by ammonia, weak acids, and tap water. Exposure to formic, hydrochloric, hydrofluoric, nitric, phosphoric, sulfuric, and other strong acids, however, can result in a relatively rapid deterioration of the binder phase. Corrosion rates are affected also by temperature, the concentration and electrical conductivity of the corrosive agent, and by other environmental factors.
The following chart is the corrosion resistant details of tungsten carbide rod cobalt binder& tungsten carbide rod nickel binder in PH value.
|
PH |
WC+Co Binder |
WC+Ni Binder |
|
12 |
very good |
very good |
|
11 |
||
|
10 |
||
|
9 |
good |
|
|
8 |
||
|
7 |
fair |
|
|
6 |
poor |
|
|
5 |
very poor to no resistance to corrosion |
good |
|
4 |
||
|
3 |
fair |
|
|
2 |
||
|
1 |
poor |
|
|
0 |
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