What is Carbon Steel?

What is Carbon Steel?

% contains up to 2.1 of the carbon element by weight of carbon steel. The American Iron and Steel Institute (ASISI) defines carbon steel with the following properties:

  • There are no minimum content requirements for chromium, cobalt, nickel, titanium, tungsten, vanadium or other corrosion resistant metals.
  • The minimum required copper % should not exceed 0.40.
  • Maximum % of manganese should not exceed 1.65.
  • Maximum copper % should not exceed 0.6
  • Maximum silicon % should not exceed 0.6

What are the carbon steel benefits? 

The use of the high carbon element changes the structural properties of the steel. In more detail, it becomes stronger and more durable. That's why many swords, knives and other weapons are made from high carbon steel. Historically, swordsmen in Japan made tamahagan, a special type of high-carbon steel, for use in swords such as the katana.

Carbon steel is not corrosion resistant like stainless steel. Although stronger and more durable than stainless steel, carbon steel can rust when exposed to moisture. Even moisture vapor in the air can cause carbon steel to rust. Also, carbon steel is less ductile than stainless steel.

Carbon steelmachinability is reduced due to the high hardness resulting from the high carbon content. The carbon ratio in carbon steels peaks at %0.18 to % 0.22 carbon. They have machinability that is soft enough to form chips, but also brittle enough to allow the chip to break and separate. Carbon steel The element lead is widely known to increase machinability, but the contribution of lead compared to sulfur is little known. Lead acts as internal oil by reducing friction and provides a significant improvement in production. The importance of lead is not as critical and widespread as it once was, as other technological means have been developed to remove heat from machining (eg high pressure and high velocity coolants).

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Laser cutting benefits

Carbon Steel Structure

Carbon steels are also known as low carbon steels. It can be tried in iron containing a small amount of carbon. Steels are strong and hard, non-tempered irons. It is the most common form of steel in recent years, because its price, namely the cost of production, is relatively low. It can be used in many steel applications, namely manufacturing. It is suitable for many sectors according to its material properties. Low carbon steel, contains approximately % 0.05-0.30 carbon, is malleable and ductile, that is, they can be formed easily. Low-carbon steel has a relatively low tensile strength, but is inexpensive and easy to form.

In applications where large sections are used to increase strength, other elements are added besides the carbon value. For this reason, there are different alternatives to low carbon steels according to the place of use: for example, there are varieties such as structural steel. Carbon steel density is about 7.85 g/cm' 3 (7850 kg /m 3 ) is. So if we want to do a carbon steel weight calculation.

(Thickness x width x height x specific gravity)/ 1,000,000 = kg.


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