Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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The company adheres to the service concept of "you give the order to me and I leave the satisfaction to you". Over the years, our EN S420ML equivalent steel products are supplied in time, with reliable quality and perfect and thoughtful after-sales service. Meanwhile, we have huge EN S420ML equivalent steel stocks all the year round. The company long-term pursues the principle of quality first, customer first, quality for survival, reputation for development, and perfect service to win the users.

Austenitic stainless steel has good plasticity and low strength, but its corrosion resistance is the best among the stainless steels. EN S420ML equivalent, Austenitic stainless steel is suitable for the occasions where the mechanical properties are not required to be very high, such as chemical plants, chemical fertilizer plants, sulfuric acid and hydrochloric acid manufacturers, etc. Of course, austenitic stainless steel can also be used in submarine and other military industries.

The bridge steel plate is mainly used for erecting railway bridges, highway bridges, sea crossing bridges, etc. The bridge steel plate is required to have high strength and toughness, bear the load and impact of rolling stock, and have good fatigue resistance, certain low temperature toughness and atmospheric corrosion resistance. The bridge steel plate EN S420ML equivalent should also have good welding performance and low notch sensitivity. If you want to have a more comprehensive and detailed understanding of bridge steel plate, welcome to visit our official website for consultation.

S355J2 steel plate rolling process is controlled rolling process. In the rolling process, the ingot rolling temperature is 1000-1050℃; in the first stage, the low-speed and large reduction rolling process is adopted, the high-temperature stage is 950-1000℃, the EN S420ML equivalent rolling speed is 1.6-2.0m/s, the single reduction rate is 15-20%, and the cumulative reduction rate is 40-45%, so as to ensure sufficient deformation of ingot. In the first stage, the start rolling temperature is 910-930℃, and the finish rolling temperature is ≤ 870℃.As a basic building material, steel plates are currently widely used in automobiles, shipbuilding, chemical industry, aerospace and other fields. Reasonable selection of flaw detection methods to ensure the quality of EN S420ML equivalent steel plates is of great significance to safe production. Common defects of steel plates are folding, inclusion, shrinkage, air bubbles, delamination and cracks. These problems can be discovered in time through flaw detection.

EN S420ML equivalent 2020 Shanghai inventory: 12.9*2987*10384, 15*2200*10270, 14*1950*10600, 320*2200*4250, 32*2500*6000, 14*2200*10030, 65*3010*8230, 16*2100*10650, 36*2200*12000, 12.9*2987*10384, 14*1950*10900, 25*2500*12000, 15*2200*10270, 20*2620*11800, 14*1950*10450, 30*2200*12000, 14*2200*10030, 20.9*2851*7000, 20*2933*7300, 14*1950*10500, 50*2200*12000, 31.9*2920*9420, 20*2933*7300.

Through the operation and management, brand advantage and improve pre-sales, sale of after-sales service, the efforts of the company into the industry leading enterprises.Relying on perfect quality management system, it has built up competition predominance and provided high quality, favorable price and perfect after service for customers.

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