SM490B carbon steel plate sheet carbon steel plate grade

Medium and heavy plate is widely used in construction engineering, machinery manufacturing, container manufacturing, shipbuilding, bridge construction and other fields. The surface quality of medium and heavy plate mainly refers to its surface smoothness, surface defects, etc., which is one of the main quality indexes of medium and heavy plate. The surface quality of SM490B carbon steel plate sheet, medium and heavy plate not only affects the appearance of the products, but also reduces the corrosion resistance, wear resistance, fatigue limit and other properties of the steel plate.

What is the difference between Q235A steel and Q235B steel? First, The carbon content of Q235A steel is 0.22%, higher than that of Q235B steel, which is 0.20%. The sulfur content of Q235A steel is 0.050%, higher than that of Q235B steel, which is 0.045%. Second, SM490B carbon steel plate sheet, Q235 material belongs to carbon structural steel. The English letters A and B at the back have different meanings. They are impact temperature requirements. Q235A steel is not subject to impact, while Q235B steel is subject to 20 ℃ room temperature impact.

To the society: With the development of the company, BEBON has always adhered to the development mission of "developing heavy industry for the benefit of all mankind; improving the environment and achieving sustainable development”, operating with integrity and paying taxes in accordance with law.For our employees, the company fully respect employee value, pursuing mutual development of enterprise and employees.

We have our own factory, including the production and manufacturing of steel pipes, with a special SM490B carbon steel plate sheet steel pipe manufacturer and storage warehouse. Welcome to visit our factory, we will provide customers with high quality products that meet the requirements. And has the perfect SM490B carbon steel plate sheet after-sale service guarantee system, lets the customer save the worry and the labor.