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Carbon Steels

Material

No.

Carbon

Steels

Group Of Steel Grade:

Carbon Steels According To Cross Sections

DIN

[ German Norm ]

 

SAE - AISI

[ American Norm ]

 

C 10

1010

1020

C 22

1030

C 30

1050

1045

1040

C 50

C 45

C 40

1060

C 60

 

 Briefly Carbon Steels

 

Carbon steel is steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%. The American Iron and Steel Institute (AISI) defines carbon steel as the following: "Steel is considered to be carbon steel when no minimum content is specified or required for chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium or zirconium, or any other element to be added to obtain a desired alloying effect; when the specified minimum for copper does not exceed 0.40 percent; or when the maximum content specified for any of the following elements does not exceed the percentages noted: manganese 1.65,silicon 0.60, copper 0.60."

The term "carbon steel" may also be used in reference to steel which is not stainless steel; in this use carbon steel may include alloy steels. As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however it becomes less ductile. Regardless of the heat treatment, a higher carbon content reduces weldability. In carbon steels, the higher carbon content lowers the melting point.

 

These steels usually are iron with less than 1 percent carbon, plus small amounts of manganese, phosphorus, sulfur, and silicon. The weldability and other characteristics of these steels are primarily a product of carbon content, although the alloying and residual elements do have a minor influence.

Carbon steels are further subdivided into four groups:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

■ In this page, you can get informations about carbon steels.

■ For more information about production, please visit Production page.

 If your needed materials are not listed, please contact with related department.

 

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1.0601

1.1206

1.0503

1.0511

1.1178

1.0402

1.0301

Low Carbon Steels

 

Often called mild steels, low-carbon steels have less than 0.30 percent carbon and are the most commonly used grades. They machine and weld nicely and are more ductile than higher-carbon steels.

Medium Carbon Steels

 

Medium-carbon steels have from 0.30 to 0.45 percent carbon. Increased carbon means increased hardness and tensile strength, decreased ductility, and more difficult machining.

High Carbon Steels 

 

With 0.45 to 0.75 percent carbon, these steels can be challenging to weld. Preheating, postheating (to control cooling rate), and sometimes even heating during welding become necessary to produce acceptable welds and to control the mechanical properties of the steel after welding.

Very High Carbon Steels 

 

With up to 1.50 percent carbon content, very high-carbon steels are used for hard steel products such as metal cutting tools and truck springs. Like high-carbon steels, they require heat treating before, during, and after welding to maintain their mechanical properties.

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