Will explain what structural steel

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2019-07-08 17:00:18

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The Use of steel has long been widely into our life and does not cause any doubts to its feasibility. But we should not forget that steel are different. Today there are several types of this material:structural steel

  1. Steel construction.
  2. Tool Steel.
  3. Steel individual purpose with special properties.

Today, we will Discuss structural steels. So we call all the types that are used in the production process of building structures and machine parts and mechanisms.

Types of material

Structural Steel is divided into two large groups:

  1. High-Quality alloy structural steel.
  2. High-Quality structural carbon.

All these types are used in varying fields of production, performing their functions.

Structural steels

Often, you can improve the technological, physicochemical, mechanical properties steel add different elements, constructional alloy steelsThat is alloyed with it. Basically, for these purposes, chromium, Nickel, manganese. Structural quality steel can contain one or several of these elements. In this regard, stand out:

  • Low alloy (the number of additives is not more than 2.5%).
  • Srednelegirovannye (the figure may increase to 10%).
  • High-Alloyed (additional elements is more than 10%).

In order to understand the effect of additives, it is necessary to understand the composition of the material. The basis of it is ferrite (approximately 90% of the volume). Alloying elements dissolve in ferrite, thereby improving its durability. Particularly effective in this respect, silicon, Nickel and manganese. But chromium, tungsten and molybdenum have a weaker effect.structural quality steel

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It Should be noted that alloy structural steel has a low weldability. This is due to hardening of the HAZ and formation of its composition structures, which are easily fractured. Therefore, in the process of welding using special technology, designed specifically for this type of steel.

Low alloy structural Steel is widely used for producing locomotives, wagons, agricultural machines. All these products are characterized by their ability to withstand variable loads. The parameters of the weldability of this steel do not have any restrictions.

Made Of high-alloy steel blades and turbine rotors, reactors, pipes, steam pipes and collectors.

Structural carbon steel

The Second type is also represented by several species, such as:

  • Machine-building. Structural steel of this kind is used in the production of automobiles.
  • Automatic. It is from this we began doing various fasteners. It is in no way suitable for welding, all parts are processed on the machines.
  • Boiler room. Indispensable where we are talking about the manufacture of boilers and vessels that must withstand high temperature. This steel has good weldability.

Structural Steel – the material, without which the manufacture of some types of structures and components becomes impossible.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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