Carbon Steel Pipe Properties

by freya lee on Jan 10, 2022 Business 94 Views

The properties of carbon steel pipe mainly depends on the carbon content and microstructure of the steel. In the annealed or hot rolled state, as the sugar content increases, the strength and hardness of the steel increase, while the plasticity and impact properties decrease. The weldability and cold bendability deteriorate. Therefore, steel used in engineering structures often limits the carbon content. Residual elements and impurity elements in carbon steel, such as manganese, silicon, nickel, phosphorus, sulfur, oxygen, nitrogen, etc., also have an impact on the properties of carbon steel. These effects sometimes reinforce each other and sometimes cancel each other out. Hydrogen can cause many serious defects in steel, such as white spots, spot segregation, hydrogen embrittlement, surface blistering and cracks in the heat affected zone of the weld. In order to ensure the quality of steel, the hydrogen content in steel must be reduced as much as possible. Residual elements such as aluminum introduced by deoxidation can reduce the aging tendency of low-carbon steel, and can also refine the grains and improve the toughness of steel at low temperatures, but the excess should not be too much. The influence of smelting and processing on the properties of carbon steel. Carbon steel is mostly smelted with oxygen converter and flat furnace, and high-quality carbon steel is also produced with electric arc furnace. According to the different degree of deoxidation in the steelmaking process, carbon steel can be divided into killed steel, rimmed steel and semi-killed steel in between. The influence of the smelting method on the performance of steel is mainly affected by the purity of the steel. The plastic working process of plain steel is usually divided into hot working and cold working. After thermal processing, the small bubbles, looseness and other defects in the steel ingot are welded together to make the steel structure dense. At the same time, hot working can destroy the as-cast structure and refine the grains. The forged and rolled steel has better mechanical properties than the as-cast state. For cold-worked steel, as the degree of cold plastic deformation increases, the strength and hardness increase, but the plasticity and toughness decrease. In order to increase the yield rate, the continuous steel casting process is widely used.

Processing properties of carbon steel pipe
Carbon steel is mostly smelted by oxygen converter and flat furnace, and high-quality carbon steel is also produced by electric arc furnace. According to the different degree of deoxidation in the steelmaking process, carbon steel can be divided into killed steel, rimmed steel and the intermediate killed steel. The effect of smelting method on the performance of steel is mainly affected by the purity of steel. People can obtain higher purity steel through vacuum treatment, refining outside the furnace and injection technology, which significantly improves the quality of carbon steel.

The plastic processing technology of carbon steel is usually divided into hot processing. After hot processing, small bubbles, looseness and other defects in the steel ingot are welded together to make the steel structure dense. At the same time, hot working can destroy the as-cast structure and refine the grains. The forged steel has better mechanical properties than the as-cast state. For cold-worked steel, as the degree of cold plastic deformation increases, the strength and hardness increase, but the plasticity and toughness decrease. In order to improve the yield rate, the continuous steel casting process is widely used.

Article source: https://article-realm.com/article/Business/18382-Carbon-Steel-Pipe-Properties.html

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https://www.hu-steel.com/product85.html
Hunan Standard Steel Co.,Ltd is a as the professional manufacturer of seamless steel pipe, welded steel pipe and pipe fittings.Please refer to: https://www.hu-steel.com

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