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Carbon structural steel
In addition to carbon (C) elements and alloy elements containing a certain amount of silicon (Si) (generally not more than 0.40%) and manganese (Mn) (generally not more than 0.80%, higher than 1.20%) for deoxidation, there are no other alloy elements (except residual elements). The chemical composition and mechanical properties of this kind of steel must be guaranteed at the same time. The content of sulfur (S) and phosphorus (P) impurities is generally controlled below 0.035%. If it is controlled below 0.030%, it is called high-quality steel, and its brand name should be followed by "A", such as 20A; if P is controlled below 0.025%, and S is controlled below 0.020%, it is called super-quality steel, and its brand name should be followed by "E" to indicate the difference. For other residual alloying elements, such as chromium (Cr), nickel (Ni), copper (Cu), etc., which are brought into steel by raw materials, the contents are generally controlled to be less than 0.25%, 0.30% and 0.25% respectively. Some brands of manganese (Mn) content up to 1.40%, known as manganese steel.
This kind of steel relies on adjusting the carbon content (C) to improve its mechanical properties. Therefore, according to the carbon content, this kind of steel can be divided into:
Low carbon steel - generally less than 0.25% carbon content, such as 10, 20 steel, etc.
Medium Carbon Steel - Carbon content generally ranges from 0.25% to 0.60%, such as 35, 45 steel, etc.
High carbon steel - generally contains more than 0.60% carbon. This kind of steel is generally not used to manufacture steel pipes.
In fact, there is no clear limit between their carbon content.
This kind of steel has a large output and a wide range of uses. Generally, it is rolled (forged) into round, square and flat sections, plates and seamless steel pipes. It is mainly used to manufacture parts and components of general structure and mechanical structure, as well as building structural parts and pipelines for conveying fluids. According to the use requirements, sometimes heat treatment (normalizing or tempering) is needed after use.
Linzhou Fengbao High Energy Materials Technology Co., Ltd. (formerly Linzhou Zhongming Profile Co., Ltd.) is a wholly-owned subsidiary of Henan Fengbao Special Steel, located in Linzhou City, Henan Province, the hometown of the world-famous 'artificial Tianhe' Red Banner Canal. Nanlin Expressway, Hehui Expressway and Ma-ri Heavy-haul Railway run through the city. They have special railway lines and logistics centers for enterprises. They have superior geographical position and convenient transportation.
Henan Fengbaote Steel Co., Ltd. is an iron and steel conglomerate which integrates steel smelting, seamless steel pipe, cathode flat steel, profile bar, machinery manufacturing, power generation, international trade and other industries. It is a member unit of China Iron and Steel Industry Association. It belongs to 1000 large-scale industrial enterprises in the country, the top 500 private enterprises in the whole country, the top 100 enterprises in Henan Province, the top 100 enterprises in Henan Province, high-tech enterprises and military enterprises. Mobilizing suppliers with material purchasing is the R&D base of high-end seamless steel tubes in Henan Province.
Linzhou Fengbao High Energy Materials Technology Co., Ltd. is a comprehensive service provider of high conductive electrode steel rod and electrolytic aluminium energy-saving technology. It uses reliable high conductive materials to develop and produce high conductive electrolytic electrode steel rod and anode claw, which are key components of aluminium electrolysis. It has unique production process, leading equipment level industry and equipped with perfect testing equipment. The company has the overall solution of energy-saving technology for electrolytic aluminium, and a professional research and development team of energy-saving technology. It can make major modifications and renovations of electrolytic cells as a whole and ensure energy-saving benefits according to the contract. It can also accept customer's customized requirements and produce customer-specific electrode steel rods. Linzhou Fengbao High Energy Materials Technology Co., Ltd. is a comprehensive service provider of high conductive electrode steel rod and electrolytic aluminium energy-saving technology. It uses reliable high conductive materials to develop and produce high conductive electrolytic electrode steel rod and anode claw, which are key components of aluminium electrolysis. It has unique production process, leading equipment level industry and equipped with perfect testing equipment. The company has the overall solution of energy-saving technology for electrolytic aluminium, and a professional research and development team of energy-saving technology. It can make major modifications and renovations of electrolytic cells as a whole and ensure energy-saving benefits according to the contract. It can also accept customer's customized requirements and produce customer-specific electrode steel rods.
The company mainly produces cathode flat steel, hot-rolled round steel, square pipe, anode claw. The company has excellent production equipment, advanced technology, perfect testing equipment, the overall equipment level is in the advanced level in China, equipped with 750 tons of tensile testing machine, metallographic microscope, spectral rapid analyzer, pendulum impact testing machine and other advanced testing equipment. The quality management system has passed the ISO 9001 certification, and the product quality has reached or exceeded the national standard.
The company has determined the development strategy of 'strong enterprise of excellent steel', striving to build the enterprise into a professional flat steel and profile manufacturer. The company will face the market with 'quality, service', win the market with quality, make friends with reputation, mutual benefit, go hand in hand and win-win cooperation.
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