Black oxidation treatment of stainless steel rope mesh

Black oxidation treatment of stainless steel rope mesh

In order to improve the anti-rust ability of steel parts, the surface of steel parts is oxidized into smooth ferric oxide with a strong oxidant. This thin layer of ferric oxide effectively protects the inside of the steel from oxidation. At high temperatures (about 550℃) oxidized ferric oxide is sky blue, so it is called blue processing. Ferric oxide formed at low temperature (about 350℃) is dark, so it is called blackening treatment.  

In weapon manufacturing, the blue processing of wire rope mesh is a common method. In industrial production, blackening treatment is a popular way. Whether the oxidation surface of iron and steel is dense and smooth ferric, the key is to choose a good oxidant. The strong oxidant is composed of sodium hydroxide, sodium nitrite and trisodium phosphate. Blue processing with the molten solution to treat the steel; When blackened, the steel is treated with an aqueous solution.  

Many customers like the stainless steel rope mesh with black oxidation treatment, so as to play the role of deep anticorrosion and beautiful effect. Especially the application as zoo protective net, in order to prevent the damage on animal eyes through the reflection of sunlight, stainless steel rope mesh is more inclined to do oxidation treatment.