BBN steel supply fresh produced and stock S690QL heat treatment

The cold rolling precision bright pipe system produced by our factory has smooth appearance, uniform wall thickness, no oxide layer and high precision. The inner hole of S690QL heat treatment steel pipe can be divided into round, spline and plum blossom, which is widely used in automobile, motorcycle, electric power, petrochemical, ship, aerospace, bearing, pneumatic components, oil cylinder, boiler equipment, medical equipment, fitness equipment and other industries. Materials can be divided into: 10#, 20#, 35#, 45#, 40Cr, 16Mn, etc. According to the needs of users, we can make all kinds of national standard non-standard precision pipes. Special S690QL heat treatment materials and specifications can be ordered in advance.

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During the construction of hot-dip S690QL heat treatment galvanized pipe, the correct welding process shall be adopted, the inspection and acceptance shall be carried out in strict accordance with the specification, and the anti-corrosion treatment (zinc rich paint) shall be done timely after the welding is completed. It is feasible in the construction process of open and closed air conditioning system, which can improve the S690QL heat treatment construction speed and the firmness of the pipe connection. Therefore, the hot-dip galvanized pipe can be welded and connected under the construction conditions and on the premise of relevant protection and anti-corrosion measures.

In January 2019, one of our Vietnam customer purchased 395.62 tons Q345B steel plate S690QL heat treatment for their construction project, we prepared all the goods ready within 5 days, and supplied the goods with painting sand blasting to SA2.5 S690QL heat treatment and priming gray oxide primer, and arrange shipment in time. Meet the customer urgent delivery request.

As for the mechanical properties of S690QL heat treatment, ASTM A572 Gr.50, 345 Mpa is the yield point levels most closely approximating a geometric progression pattern between 36 ksi min yield point steels covered by Specification A36/A36M and 100ksi min yield point steels covered by Specification A514/A514M.

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