In the application of metal bellows, the given conditions of the system (whole machine) or subsystem (components) are the main basis for...

Liquefied gas is mainly produced in oilfields and refining and chemical enterprises. It has the characteristics of less pollution, high...

In recent years, the quality, performance and greening level of China’s key basic steel new materials have been significantly improved....

The strengthening of metal means increasing the strength of the metal material by means of alloying, plastic deformation, heat treatment,...

1. Chromium stainless steel has certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear...

In layman’s terms, stainless steel is a steel that is not easily rusted. In fact, some stainless steels have both rust and acid...

The elements that are intentionally added during the smelting process in order to improve and improve certain properties of the steel and...

Valve corrosion protection The corrosion of metals is mainly caused by chemical corrosion and electrochemical corrosion. The corrosion of...

1. Pipeline fluid has the advantages of low cost and safety, and is the most widely used fluid transport method. However, since most of...

1. Application of stainless steel in petroleum and petrochemical According to the chemical composition, stainless steel can be pided into...

Heat exchangers (also known as heat exchange equipment) are widely used heat exchange equipment in the petroleum industry. They can be...

In recent years, China’s oil and gas transportation methods mainly rely on oil and gas pipeline transportation to transport oil and gas...

With the development of the national economy, the advantages of buried pipelines are increasingly recognized by the public. At the same...

Steel pipes are a very important building material, whether it is transporting fluids and powdered solids, exchanging heat, making...

In the petroleum, chemical, electric power and other industrial fields, heat exchangers are widely used as a common pressure vessel. The...

At present, China’s metal hose industry is facing a situation of internal and external pressure. The industry’s turning point is...

The weld seam has a high residual weld height Stress corrosion cracks are easily formed at the weld toe The stress concentration of the...

Forging is one of the two major components of forging (forging and stamping) by using a forging machine to apply pressure to a metal...

The finished products of seamless precision steel pipe will have the problem of uneven eccentric thickness. But how is it produced? Many...

Duplex stainless steel has been continuously developed and improved over the years, and some fields have replaced austenitic stainless...