- Differences in alloy content between stainless steel pipes and carbon steel pipes:
Chromium in stainless steel pipes is an alloy element, with a high content of chromium alloy. The main alloy element in carbon steel pipes is carbon, with the lowest content of carbon being a steel alloy. - Differences in chemical elements between stainless steel pipes and carbon steel pipes:
Another difference between stainless steel pipes and carbon steel pipes is that the main components of stainless steel pipes are chromium, carbon, phosphorus, manganese, sulfur, nickel, and molybdenum in stainless steel pipes, while the main components of carbon steel pipes are carbon, manganese, silicon, and copper.
Differences between stainless steel pipe and carbon steel pipe
Stainless steel pipes and carbon steel pipes are ferroalloys and belong to the steel category. Steel contains the most carbon by weight. Stainless steel pipes and carbon steel pipes can be distinguished based on alloy elements.
Stainless Steel Tube Details
Stainless steel pipes are different from other steels in terms of corrosion resistance. “In this form of steel, the corrosion resistance of stainless steel pipes is due to the presence of a large amount of chromium in the steel, which forms an invisible, thin, and adhesive oxide layer that passivates the surface. To form this passive oxide layer, the steel should contain sufficient chromium and need to be maintained in an oxygen-enriched environment. The passive layer protects the underlying metal by covering it with air and water. If the oxide layer is scratched, it will heal automatically.”, The chromium content of stainless steel pipes should exceed a certain weight.
In addition to chromium and carbon, stainless steel tubes contain silicon, phosphorus, manganese, sulfur, nickel, and molybdenum.
Stainless steel tubes contain a certain amount of carbon by weight. Increasing the carbon content above this value can reduce the corrosivity of the steel through manufacturing and reduce the production of passive oxide layers of chromium. According to its crystal structure, stainless steel tubes can be divided into austenite, ferrite, martensite, and precipitation hardening. Due to some alloy elements, stainless steel tubes can become nonmagnetic.
Stainless steel pipe
Detailed explanation of carbon steel pipe
Except for stainless steel pipes, all other carbon steel pipes contain carbon, manganese, silicon, and copper. According to the carbon content, this type of steel can be further divided into low carbon steel pipes, medium carbon steel pipes, and high carbon steel pipes. This alloy has much lower corrosion resistance than stainless steel pipes. Carbon steel pipes should not be used in highly corrosive environments.
Carbon steel pipes are much cheaper than stainless steel pipes in terms of price, and their main alloying element is relatively expensive. Chromium is the main alloying element of stainless steel pipes. As the carbon content increases, the shape of this steel becomes more and more rigid, reducing ductility, and changing the required mechanical properties of this steel through heat treatment.
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Difference between carbon steel pipe and stainless steel pipe
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