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 …
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 …
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 …
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 …
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, …
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 …
"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. …
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 …
How To Calculate Pressure Die Casting Tonnage
Calculation Formula The calculation formula for the selection of die-casting machine: Die-casting machine clamping force (t) = 1.4 * casting …
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 …