Stainless steel and carbon steel are relatively common metal materials, so what are the differences between stainless steel and carbon steel?
1, different appearance
Stainless steel to chromium, nickel elements, so the product appearance is mostly silver bright colour, smooth surface with a sense of luster. Carbon steel metal to carbon, iron elements are mainly, so the appearance of the product is mostly black, its surface is more dull, not as smooth as the surface of the stainless steel has a glossy.
2, different corrosion resistance
Stainless steel corrosion resistance is better than carbon steel, because stainless steel metal contains more chromium, chromium and oxygen reaction, will form a chromium oxide layer on the surface of the stainless steel metal, to prevent the metal from being corroded. The surface of carbon steel can not form a chromium oxide layer, so the corrosion resistance is poor.
3, wear resistance is different
Carbon steel wear resistance is better than stainless steel, because the hardness of carbon steel is higher than stainless steel, its plasticity is lower, so it will be more wear-resistant.
4, different magnetic
Carbon steel is more magnetic than stainless steel, because carbon steel has a high content of iron. Stainless steel is mostly non-magnetic or weakly magnetic products, because stainless steel usually contains nickel, nickel inhibits or removes the magnetic properties of the product.
5, different ductility
Stainless steel ductility is better than carbon steel, because stainless steel nickel content is high, such elements have good ductility, so the ductility of stainless steel is also good. Carbon steel contains very little nickel, negligible, so the ductility will be worse.
6, the price is different
Stainless steel is more expensive than carbon steel, because stainless steel will be added to a large number of alloys in the production process, its cost is high, the price is also expensive. Carbon steel in the production process to add less alloy, the cost will be relatively lower.
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