Shougang International Engineering Co., Ltd. has a number of patented technologies for molten iron dephosphorization and desulphurization and slagging, which can combine with the individual needs of customers to provide molten iron in various locations such as steelmaking plants, blast furnace iron ...
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 stress, it is easy to crack and even break into powder, and it is very hidden. It is not visible on its appearance. ...
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 important measure of the cleanliness of the molten steel. Reducing the total oxygen content of the cast slab is mainly carried out from three aspects: ...
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 strictly controls non-metallic inclusions (oxides, sulfides) in the steel. The general measures to reduce the content of [H], [O] and [N] in steel include: ...
As a measure to reduce the friction between automobile engine parts, it can be roughly divided into the following three types. ...
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 magnetite concentrate has caused many domestic steel plants to use imported hematite to produce oxid ...
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 is a very important analysis method, which can quantitatively separate and determine the hydrogen trapped at these t ...
Scrap steel is a general term for ferrous metal scrap in scrap metal recycling. It includes several categories such as scrap steel, scrap iron, slag steel, and oxidized scrap. There are more than a dozen varieties such as carbon scrap, alloy scrap, steel scrap, iron scrap, oxide scrap, light and thi ...
One table to understand the heat treatment of steel products ...
1. Appearance, size and fit of the molded product 1. Defects on the product surface are not allowed: lack of material, burnt, top white, white line, peaking, blistering, whitening (or cracking, breaking), baking, and wrinkles. . ...
1. Stoma This is a small cavity formed by the gas that has not escaped during the solidification process of the metal. Its inner wall is smooth, contains gas, and has a high reflectivity to ultrasonic waves, but because it is basically spherical or ellipsoidal, That is, it is a point-shaped def ...
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The thread cutting process depends on the structure of the machined parts and the CNC machine tool u
Oval gears are widely used in automatic machinery and instrument industries, and are a type of non-c
The cylinder telescopic sheath is a protective component that is installed on the oil cylinder, cyli
The manufacturing cycle is long. Operators are prone to fatigue. Once a failure occurs, it often tak
The Wu Steel Works has two workshops, one steelmaking workshop and the second steelmaking workshop.