Blackened bolts

10 month ago

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Jiangsu Youquan E-commerce Information Technology Co.,ltd

10 month

Product details

Principle and process of black bolts

Surface treatment of screws and bolts is an important means to improve their performance, aesthetics and service life. Common surface treatment methods include blackening, galvanizing and Dacromet.

Principle and process of black bolts:

Blackening treatment, also known as oxidation treatment or bluing treatment, is a process of forming an oxide film on the surface of screws and bolts through chemical reactions. This process usually involves placing the screws and bolts in a chemical solution containing an oxidant, and then heating the surface to form a layer of ferroferric oxide (Fe3O4) film, which is black or blue-black in color.

Features and advantages:

Low cost: Blackening treatment is a relatively economical surface treatment method.

Improving corrosion resistance: Although the oxide film formed by blackening treatment is thinner, it can still improve the corrosion resistance of screws and bolts to a certain extent.

Appearance effect: After treatment, the surface of the screws and bolts is uniformly black or blue-black, which has a certain aesthetic appeal.

WHY CHOOSE US:

Jiangsu Youquan E-commerce Information Technology Co., Ltd. is a subsidiary of Metavast Group. The group's business scope is diversified, involving new power system, metal processing, metal surface treatment, digital coating equipment, laser equipment, new materials, new energy storage and many other business fields.

Our main products are: Zinc Aluminum Magnesium coil, Bolts, Nut, Stainless Steel Hexagon Nut, Washers and so on. Please feel free to contact us if necessary.

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Jiangsu Youquan E-commerce Information Technology Co.,ltd

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10 month

Main Product: Hot-dip galvanizing nuts , Hot-dip galvanizing bolts, Washer, Stainless steel nuts, Stainless steel bolts, Handheld laser welding machine

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