Mill test certificate for steel pipe xar 400 steel material

Zhengzhou BBN steel company was established in 2000. After more than ten years of development, it has formed a professional operation pattern integrating R&D, production, sales and after-sales service. In recent years, xar 400 steel material based on a high starting point and high technology, the company has vigorously developed various steel products xar 400 steel material and deep-processed parts, steel structures, precision castings, seamless pipes.

In the final analysis, the market competition is the competition for customers. Whether selling products or services, the final customer satisfaction is the standard to test the success or failure of marketing work. The so-called after-sales service is to fully understand customers, study customer psychology, pay attention to after-sales details, improve work shortcomings, improve service quality, and Exchange customer brand loyalty through the whole process of quality service.

Q235 steel grades cover Q235A, Q235B, Q235C and Q235D. Other than Q235A, the other three Q235 steel grades needs impact test. Charpy V-notch specimen is used for impact toughness test. The impact toughness index is Akv. Q235 steel plates are widely used because of its moderate carbon content, good comprehensive performance, good coordination of strength, plasticity and welding performance.

We provide customers with demand support and better serve them. We are committed to actively meet the needs of customers, always keep in touch with them in a timely manner, leave a good impression for customers, and make customers satisfied through our unremitting efforts. Customer satisfaction is our most basic vision, striving to become the best steel product service provider in the world