Welcome to Henan BBN Steel

  • zhengzhou
    henan ,China
  • Opening Time
    Mon - Sat: 08.00 to 18.00
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Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the S460M steel supplier project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of S460M steel supplier customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.

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 S460M steel supplier 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 S460M steel supplier 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.

A514 gr M alloy structural steel chemical composition (melting analysis)%C: 0.12-0.21, Si: 0.20-0.35, Mn: 0.45-0.70, P max.: 0.035, S max.: 0.035, Ni: 1.20-1.50, Mo: 0.45-0.6.0, B: 0.001-0.005The mechanical properties in thickness (mm)T≤65Yield strength (≥Mpa): 690Tensile strength (Mpa):760-895Elongation in ≥,%: 18

Our company has a comfortable office environment, covers a large area, can accommodate hundreds of people working at the same time. All kinds of green plants are placed in the company, with a healthy office environment. Our company also has gym, table tennis, leisure bar, kitchen, refrigerator, microwave oven and other equipment. Humanized construction provides comfortable office environment for employees.

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