What is Q235? Q235 steel is a kind of carbon structural steel. It is equivalent to A3 and C3 steel in the old standard gb700-79, and the...

What is stainless steel strip? Stainless steel strip can be regarded as the extension product of ultra-thin stainless steel plate. It is...

Reasonable selection, proper storage and correct use of manufacturing materials are the prerequisite and basis for ensuring the quality...

What is carburizing? Carburizing is a kind of surface heat treatment technology, which points to the heat treatment method of quenching...

Silver bright steel It is also called silver steel branch, commonly known as bright round bar or smooth circle. It refers to the round...

In order to prevent the pipe sleeve forging from axial movement under axial load, the axial positioning device is applied to the bearing...

In the fluid pipeline system, the valve is the control element, whose main functions are opening and closing, throttling, regulating...

The intergranular corrosion tendency test of stainless steel is a common content in design documents, and the relevant content in...

Bolt pre-tightening force An important factor affecting sealing. The pre-tightening force must compress the gasket to achieve the initial...

What is a breather valve? Breather valve is a kind of valve which can not only keep the tank space isolated from the atmosphere within a...

Valve is the basic element used to control the flow direction, pressure and flow of fluid in pipeline. The valve is the control component...

The differences of normalizing, tempering, annealing and quenching lie in different processes, different changes of material structure...

Effect of forging on microstructure and properties of metal In forging production, in addition to ensuring the required shape and size of...

With the development and progress of medium thick steel plate technology, people pay more attention to the product quality, and the...

In the pipeline system, the valve is the control element, just like the human hand, so whether in life or in all walks of life, its...

Flange is a common part in piping system. They are mainly used to connect shafts and shafts or to connect two devices. In general,...

Let’s discuss the installation position of the check valve today. So how to determine the installation position of check valve? What is...

For micro internal pressure or low pressure vessels, the wall thickness obtained by rounding is generally smaller after considering...

Strainer is an indispensable device in the medium pipeline. It is usually installed at the inlet of pressure reducing valve, pressure...

Valve is an important component in the piping system of petrochemical plant. It is one of the main leakage sources in the plant with many...