Industry News

What is the basic classification of forging?

Forging can be classified according to the following methods:   1. Classify according to the placement of forging tools and molds.   2. Classified by forging forming temperature.   3. Classify according to the relative motion mode of forging tools and workpieces.   The prepara... Read More

What are the differences between casting and forging?

Casting and forging have always been common metal processing techniques. Due to the inherent differences in the processes of casting and forging, there are also many differences in the final products produced by these two processing methods. A casting is a material that is cast as a whole in a mo... Read More

What are the heat treatment forms for stainless steel forgings?

Post forging heat treatment of stainless steel forgings, also known as first heat treatment or preparatory heat treatment, is usually carried out immediately after the forging process is completed, and there are several forms such as normalizing, tempering, annealing, spheroidizing, solid solutio... Read More

How can Shanxi’s small county achieve the world’s first place in iron making business?

At the end of 2022, a film called "County Party Committee Courtyard" caught people's attention, which was an important work presented to the 20th National Congress of the Communist Party of China. This TV drama tells the story of Hu Ge's portrayal of the Secretary of the Guangming County Party Co... Read More

What are the precautions for flange installation?

The main precautions for flange installation are as follows: 1) Before installing the flange, the sealing surface and gasket of the flange should be inspected and confirmed to ensure that there are no defects that affect the sealing performance, and the protective grease on the flange sealing sur... Read More

What factors need to be considered when selecting the pressure rating of the connecting flange ?

1. The design temperature and pressure of the container; 2. The connection standards for valves, fittings, temperature, pressure, and level gauges connected to it; 3. The influence of thermal stress on the flange of the connecting pipe in process pipelines (high-temperature, thermal pipelines); 4... Read More

Pressure rating of flanges

A flange, also known as a flange or flange. A flange is a component that connects shafts and is used for connecting pipe ends; Also useful are flanges on the inlet and outlet of equipment, used for connecting two devices, such as gearbox flanges. A flange connection or flange joint refers to a de... Read More

Seven common causes of flange leakage

1. Side opening Side opening refers to the fact that the pipeline is not perpendicular or concentric with the flange, and the flange surface is not parallel. When the internal medium pressure exceeds the load pressure of the gasket, flange leakage will occur. This situation is mainly caused durin... Read More

What are the causes of forming cracks and defects in forging process?

The mechanism analysis of crack inducement is conducive to mastering the essential reason of crack, which is the objective basis for crack identification. It can be observed from many forging crack case analysis and repeated experiments that the mechanism and characteristics of alloy steel forgin... Read More

Forging method of flat welding flange and matters needing attention

According to the movement mode of your favorite forging die, flat welding flange can be divided into swing rolling, swing rotary forging, roll forging, cross wedge rolling, ring rolling, cross rolling, etc. Precision forging can also be used in swing rolling, swing rotary forging and ring rolling... Read More

How to conduct post-forging heat treatment for forgings

It is necessary to conduct heat treatment after forging because its purpose is to eliminate the internal stress after forging. Adjust the forging hardness, improve the cutting performance; The coarse grains in the forging process are refined and uniform to prepare the microstructure of parts for ... Read More

What should I pay attention to when using a neck butt welding flange?

What should I pay attention to when using a neck butt welding flange? All metal with neck butt welding flange fittings will react with atmospheric oxygen, forming an oxide film on the surface. The product should be installed according to the instructions, so as to ensure the normal operation of t... Read More
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