Carbon steel is widely used in many industries. It's affordable while still having great mechanical properties. So, how to choose carbon steel?
4. Does carbon steel need good formability?
The carbon steel category is so broad that there are many different combinations of mechanical properties. If ductility is required, lower carbon grades such as C1008 and C1010 should be considered. As a rule of thumb, mild steel is easier to form than high carbon steel.
5. Is the heat treatment of carbon steel easy?
Carbon steels with a carbon content greater than 0.30% can be easily heat treated, such as C1045 and C1141. Another option is steel with just over 0.20% carbon. Trace amounts of other elements can be added to these carbon steels to improve their hardenability, such as A36. Low carbon steel, that is, steel with a carbon content of less than 0.20%, is not easily heat treatable.
6. Does carbon steel have good corrosion resistance?
The corrosion resistance of carbon steel is not very good. They are mainly composed of iron which can oxidize and form rust.
If enough corrosion-resistant elements, such as chromium, are not added to the chemical composition, the corrosion resistance will not be as good. Choosing galvanized or galvanized carbon steel is a viable option to prevent corrosion. Alternatively, adding oil or paint to carbon steel surfaces is a great way to help prevent iron from oxidizing.
7. Application areas
Knowing the common applications of different grades of carbon steel can help you choose the right carbon steel for your application.
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