Main causes of subsurface bubble formation in JIS carbon steel SM520B CS plate

Both steelmaking and ironmaking are carried out by oxidation-reduction reaction, but there are great differences between them in reaction objects: ironmaking is to reduce iron, while JIS carbon steel SM520B CS plate steelmaking is to remove excessive carbon and other impurities in pig iron, so there are relations and differences between them in actual operation. There are three main methods of JIS carbon steel SM520B CS plate steelmaking: converter, electric furnace and flat furnace. The converter steelmaking process is most widely used.

EN10025-3 S275N steel is a normalized or normalized rolled weldable fine grain structural steel grade. S275N plates shall be under normalized delivery condition and be done low temperature impacting test at -20℃when rolling. If customers request the limited for some chemical compositions, such as P and S,our mill also can satisfy this strict request when processing owning to our highest technical. For the available thickness, JIS carbon steel SM520B CS plate, S275N plate is supplied up to 250mm.

After more than 20 years of ups and downs in the steel industry, BBN company's customers have covered South America, North America, Europe, Africa, Southeast Asia and the Middle East and other countries and regions. We treat every customer who inquires with us sincerely, whether you cooperate with us or not, we will provide you with the best quality steel solutions. Our company team also support the online customer service.

From the order to the delivery, there are three quality inspections to ensure that the qualified rate of finished products is more than 100%. We promise that every order will be tracked in a timely manner to ensure that customers can receive goods safely and constantly listen to their opinions and suggestions, reflect on our own problems, and let customers feel at ease. We have a large warehouse in Shanghai and Tianjin, which can provide customers with sufficient sources of supply.

The JIS carbon steel SM520B CS plate company has established the corporate values of being proud of innovation and winning, and successfully realized the management of corporate culture. In BBN, leaders are not controllers and supervisors, but earnest JIS carbon steel SM520B CS plate teachers, coaches and enthusiastic friends, so that employees can have more democracy, more autonomy, independence and creativity, and the belief of winning.

Our company has its own steel plate manufacturing plant, processing plant and steel pipe plant. We can machine the steel according to the JIS carbon steel SM520B CS plate customer's requirements and meet the customer's requirements. If you want to ask any questions about steel products, please contact us directly. Our customer service staff will give you a detailed answer. If you want to purchase JIS carbon steel SM520B CS plate steel products, please tell me your specific needs, we have professional business personnel to communicate with you.