Ferro Niobium Corrosion Resistance
Ferroniobium is a common superalloy material, which has good corrosion resistance under high temperature and strong corrosion conditions.The main reason is that niobium iron has the following advantages.
Description
ZhenAn International Co., Limited is one of the most reliable manufacturers and suppliers of ferro niobium corrosion resistance in China. With abundant experience, we warmly welcome you to wholesale discount ferro niobium corrosion resistance in stock here from our factory. Quality products and reasonable price are available.
Description
Ferroniobium can form a dense oxide film at high temperature, which can effectively prevent oxygen, water vapor and other external media from entering the interior of ferroniobium, thus playing a very good anti-corrosion effect.In addition, the niobium oxide in the niobium iron oxide film can also form a layer of stable compounds with the surface of niobium iron oxide film, making the stability of the oxide film stronger.
Niobium iron can tolerate a lot of strong acid corrosion, such as hydrofluoric acid, nitric acid, sulfuric acid, etc.
This is because the oxide film on the surface of iron niobium can effectively prevent the erosion of acid media, and the niobium element in iron niobium can also form some stable compounds with some acid media, thus playing a very good anti-corrosion effect.
Specification
|
Chemistry/Grade |
FeNb-D |
FeNb-B |
|
|
Ta+Nb≥ |
60 |
65 |
|
|
Less than (ppm) |
Ta |
0.1 |
0.2 |
|
Al |
1.5 |
5 |
|
|
Si |
1.3 |
3 |
|
|
C |
0.01 |
0.2 |
|
|
S |
0.01 |
0.1 |
|
|
P |
0.03 |
0.2 |
|
Niobium iron can tolerate a lot of alkali corrosion, such as potassium hydroxide, sodium hydroxide, etc.
This is because the oxide film on the surface of iron niobium can effectively prevent the erosion of alkaline media, and the niobium element in iron niobium can also form some stable compounds with some alkaline media, thus playing a very good anti-corrosion effect.
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