Carbon steel pipe rusting and hardness

Carbon steel pipe anti-rust oil: it is with a high corrosion resistance and adhesion,which does not contain harmful substances such as formaldehyde, benzene, heavy metals, environmental protection and the operator’s physical and mental health. it become into a transparent light filmcan be used as the ultimate anti-corrosion coating can also be used as anti-rust primer after drying. Closed film with excellent light, smooth, anti-discoloration resistance, corrosion resistance and high adhesion.

When carbon steel pipe rusting, and some contain a small amount of grease, it is recommended that after processing preparations, pre-treatment before the use of environmentally friendly degreasing rust one surface rust treatment products, or accessories are using coated anti-rust oil is isolated material contact with the air, but it is not the surface into the passivation film and isolated immediately after the expiration of the reservoir surface and the substrate will be a lot of rust layer, the role of microorganisms to provide a source of nutrition, use water-based dry ultrafine particles in the film’s blunt, dense material combination of anti-rust agents, anti-rust excellent performance, easy maintenance, environmental health, improve the quality of the workshop environment.

The details of steel pipe derusting methods
Component: surfactant, corrosion and preservatives.
Features: iron, steel and other workpiece surface oil, corrosion and other one-time removal of the cleaning.
Use: apply to the processes of iron and steel castings and alloy products, such as surface cleaning processing.
Environmental Security: The solution for the water-soluble degreasing rust liquid; does not produce volatile toxic substances.

Carbon Steel Pipe Hardness

The hardness of carbon steel pipe commonly used Brinell, Rockwell, Vickers hardness of three kinds of indicators to measure.

Brinell hardness

In the steel standard, it is the most widely Brinell hardness, often expressed in the indentation hardness of the material in diameter, both intuitive and convenient. However, for a hard steel or steel thin NA.

Rockwell hardness

Rockwell hardness test tube with Brinell hardness test, as are the indentation test methods. The difference is that it is a measure of the indentation depth. Steel Rockwell hardness test is a very wide application, wherein after the Brinell hardness HB HRC use in steel standard. Rockwell applicable to the determination by the extremely soft to extremely hard metal materials, which make up not Brinell method, compared with Brinell method is simple and can be read directly from the dial hardness machine hardness value. However, because of its small indentation, the Brinell hardness values better method is accurate.

Vickers hardness

The structural steel pipe is also a Vickers hardness test indentation test method for the determination of a thin metal material and a surface layer hardness. It has a Brinell, Rockwell main advantages law, and to overcome their basic shortcomings, but not as convenient method Rockwell, Vickers method is rarely used in the steel standard.

Post time: Oct-08-2019