Control of Intergranular Corrosion of Austenitic Stainless Steel

Among the various corrosions of stainless steel, the intergranular corrosion accounts for about 10%. It will reduce the bonding force between the grains. Under the action of…

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How to realize quenching and cooling with water instead of oil

 Quenching oil is the most widely used cooling medium in the heat treatment quenching process for a long time. Although quenching oil has many unique cooling characteristics,…

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Method of reducing total oxygen in slab

Improving the cleanliness of the cast slab is the basis for the production of high-quality steel, and the total oxygen content of the cast slab is an…

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Lost foam casting

 1.1 Overview In 1958, H.F. Shroyer invented the technology of making metal castings with expandable foam plastic models and obtained a patent. The model used at first…

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Measures to reduce the content of hydrogen, oxygen and nitrogen in steel

   Generally, clean steel refers to a steel grade that has a low content of five major impurity elements (S, P, H, O, N) in steel, and…

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Technology to reduce friction of automobile engine parts

As a measure to reduce the friction between automobile engine parts, it can be roughly divided into the following three types. One is to reduce the actual…

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"Alkali" and "Magnesium" to improve pellet performance

Oxidized pellets have good mechanical strength and metallurgical properties, and have become an indispensable high-quality charge for blast furnace ironmaking. However, the lack of domestic supply of…

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Research on the influence of hydrogen on the strength of steel

As we all know, the hydrogen in the material will be trapped at various trap positions (dislocations, grain boundaries, precipitates and inclusions, etc.). The heating analysis method…

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How to determine the thickness of aluminum alloy die castings

How to determine the thickness of aluminum alloy die castings

In the design process of aluminum alloy die castings, many customers are uncertain about the thickness of aluminum alloy die castings, and they do not know how…

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It is necessary for a professional foundry person to know this scrap knowledge!

It is necessary for a professional foundry person to know this scrap knowledge!  Scrap steel is a general term for ferrous metal scrap in scrap metal recycling….

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