Welcome to BBN High Strength Steels Factory

S690QL square pipe carbon steel heavy plate

On 18th December, 2019, BBN Group decorated the office S690QL square pipe building with many kinds of pendant. There were christmas trees, gifts and snowflakes in the logo wall. At the same time, we made a video at the Zhengzhou office to celebrate the coming Christmas holiday. Our S690QL square pipe oversea sales team and market delevopment team wish you Merry Christmas and Happy New Year. Besides, we prepare some meaningful gifts for our old customers.

The company has a perfect after-sales service system and quality assurance system. The company adheres to the service principle of "all for users", and has established a professional after-sales service team. In the future service process, the after-sales service adopts regular return visit for customers. Timely understand the customer's satisfaction with our products, and solve the user's problems at any time.

The yield strength of A36, D36, E36 and F36 is not less than 355N/mm^2, and the S690QL square pipe tensile strength is 490~620N/mm^2. A, D, E and F respectively indicate that they can be at 0° and -20 ° respectively. Impact toughness that can be achieved at -40℃, -60 ℃.

S355J2 steel plate yield strength Rp0.2≥265mpa, tensile strength RM: 450-680mpa, elongation a≥12%, impact energy Kv2≥27J, tensile area shrinkage Z≥35% in thickness direction. S690QL square pipe, S355J2 steel plate has good internal quality, high density and stable performance.Meaning of S355J2-Z35: J2 requires negative 20 degree impact, and Z35 is the Z-direction performance of S355J2 steel plate.The meaning of S355J2 + N-Z35: J2 requires negative 20 degree impact, N means normalizing rolling rather than normalizing. Z35 is the Z-direction performance of S355J2 steel plate, S690QL square pipe.

The Seamless Pipe Q345D to Thailand. In November of 2015, Thailand OTTO group contacted with us from Internet. They are finding the trustable supplier of S355/2H seamless pipe for the cable car supporter. Due to the special using of the pipes, they are very careful and serious when choosing the supplier. After one months contact and discussion by email, they come to our company. We drive to the pipe mill for visit of 2 days. Through this visit, they are very confident with our production ability and products quality. Finally, they accept the grade we suggest Q345D. After back to office, they put the order of 1800 tons pipe to us directly.

If you want to find wear resistant steel plates or abrasion resistant steel supplier and exporter in China, please visit us. We are one of the leading S690QL square pipe wear resistant steel plates manufactures and stock keepers. We have large stocks for wear resistant steel plates of various grades and dimension. We can not only send offer at the first time, but can also provide technical support and give you professional suggestions and answers about NM400 S690QL square pipe steel specifications, difference between hardox 400 and AR400 and so on question about wear resistant steel plates. Come on! Just call us or send email.

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EN 10025-6 S690QL High Strength Steels