The strength indexes of CCS grade A ferries steel pipeline steel mainly include tensile strength and yield strength. At the same time, the yield strength ratio (yield strength to tensile strength ratio) of pipeline steel is also required, which is generally in the range of 0.85-0.93. Pipeline steel shall have enough high impact toughness (crack initiation and crack arrest toughness). For the base metal, when the toughness of the CCS grade A ferries steel material meets the requirements of crack arrest, its toughness generally can also meet the requirements of crack prevention.
The company has sufficient inventory and complete varieties and specifications. In line with the sales principle of low price operation and quality first, let customers buy CCS grade A ferries steel at ease and use it comfortably! Integrity, professionalism and efficiency are our service tenets. We will wholeheartedly provide excellent CCS grade A ferries steel products and high-quality services for new and old customers. We also sincerely welcome new and old customers to call and write to discuss business and guide work!
The correct choice of billet type, section shape, size and weight are of great significance to CCS grade A ferries steel steel rolling production. Steel rolling production has certain technical requirements for raw materials, such as steel type, section shape, size, weight, and surface quality. The consideration of these technical requirements is necessary to ensure the quality of steel. It should also be specifically considered when determining and selecting the blank. The CCS grade A ferries steel rolling method can be divided into cold rolling and hot rolling according to the rolling temperature.
The addition of Ca element in steel such as CCS grade A ferries steel can refine grain size, partly desulphurize and change the composition, quantity and morphology of non-metallic inclusions. It is similar to that of adding rare earth in steel. It can improve the corrosion resistance, wear resistance, high temperature and low temperature resistance of steel, improve the impact toughness, fatigue strength, plasticity and welding performance of the steel, and increase the cold heading, shock resistance, hardness and contact endurance strength of the steel.
The results of adopting two-level CCS grade A ferries steel service system and implementing standardized management are mainly reflected in the formation of vigorous work style such as quick response and quick action. Our company's customer service center stipulates that employees must be accurate and quick in technical support and CCS grade A ferries steel after-sales service. Through the formation of this fast, agile, vigorous style, to provide users with satisfactory service.
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