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How to choose heavy forgings?

Ring forgings is to roll the forgings into a circle, can basically control the dimensional tolerance of the product, reduce the amount of machining. However, when choosing ring forgings, we should be careful not to choose defective ring forgings. If choosing defective ring forgings will seriously... Read More

Forging quality classification

The review of forging quality problems is a very complicated and extensive work, which can be described according to the cause of defects, the responsibility of defects, and the location of defects, so it is necessary to classify them. (1) According to the process or production process of produci... Read More

The influence of die heat meter treatment technology on the economy of forgings

Heat treatment is one of the indispensable important processes in forging die manufacturing process, which plays a decisive role in die life. According to the requirements of specific forging technology, the heat treatment technology is designed to make the strength (hardness) of the mould match ... Read More

Influence of forging material on mold life

Forgings have a far-reaching significance in our daily life, and there are also many categories and types. Some of them are called die forgings. The die forgings need to be used in the forging process, so will the forgings affect the life of the die?The following is your detailed introduction: Ac... Read More

What are the categories of forging molds?

Forging die is a key technological equipment in the production of die forging parts. According to the deformation temperature of the forging die, the forging die can be divided into cold forging die and hot forging die.In addition, there should also be a third type, namely the warm forging die;Ho... Read More

20 steel – Mechanical properties – Chemical composition

Grade: 20 steel Standard: GB/T 699-1999 characteristics Intensity is a little higher than 15 steel, rarely quenching, no temper brittleness cold deformation plasticity high general for bending calender flanging and hammer processing, such as arch arc welding and resistance welding good welding pe... Read More

How to find the machining difficulty of stainless steel flange

First of all, before the selection of the drill, take a look at the stainless steel flange processing difficult is what? Find out the difficulty can be very accurate, very fast to find the use of the drill bit. What are the difficulties in stainless steel flange processing? Brief stick knife: sta... Read More

Inspection before heat treatment of die forgings

The inspection before solution heat treatment is the pre-inspection process of the finished product as specified in the forging part drawing and process card for the surface quality and external dimensions after the completion of the forging forming process. Specific inspection should pay attenti... Read More

Alloy Design

There are thousands of alloy steel grades and tens of thousands of specifications used internationally. The output of alloy steel accounts for about 10% of the total steel output. It is an important metal material widely used in national economic construction and national defense construction. Si... Read More

Historical development of alloy steel forgings

Every material in the industry has a long history, but today we are mainly talking about the historical development of alloy steel forgings. From the second world war to the 1960s, alloy steel forgings were mainly the era of the development of high-strength steel and ultra-high-strength steel. Du... Read More

4 processing techniques for SO flanges

With the development of society, the application of flange pipe fittings is more and more extensive, so what is the processing technology of SO flange?Generally divided into four kinds of technology, the following for you to explain in detail. The first used scrap iron pin training embryo, low co... Read More

The difference between WN and SO Flange

SO flange is an inner hole machined slightly larger than the outside diameter of the pipe, the pipe inserted in the welding.Butt welding flange is the end of the pipe diameter and wall thickness of the same as the pipe to be welded, welding the same as the two pipes. SO and butt welding refers to... Read More
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