The main form of p355gh grade thickness and its application

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In August 2011, the expanded license for the special equipment material manufacturing of P355GH grade thickness steel plates for heavy steel boilers and pressure vessels successfully passed the expert review and identification. At this point, the company has the qualification to produce steel plates for boilers and pressure vessels with a maximum thickness of 80 mm. Production continues to be at the leading domestic level. Our boiler steel plate has been widely used in the p355gh grade thickness manufacture of I, II, III pressure vessels and various pressure vessel reaction tanks.

Since its establishment, the company has adhered to the business philosophy of "integrity management, reputation first, mutual benefit", and adheres to the training principles of integrity, innovation and pioneering for its employees. It has long been dedicated to p355gh grade thickness steel structure, shipbuilding, boiler vessel manufacturing, machinery manufacturing.

The sulfur element (S element) comes from the ore and fuel coke of steelmaking. It is a harmful element in p355gh grade thickness etc. steel. Sulfur exists in steel in the form of iron sulfide (FeS). FeS and Fe form a low melting point (985℃) compound. The hot working temperature of steel is generally above 1150 - 1200℃, so when the steel is hot working, the premature melting of FeS compound causes the workpiece to crack, which is called "hot brittleness". It reduces ductility and toughness of steel and causes cracks during forging and rolling. Sulfur is also detrimental to welding performance and reduces corrosion resistance.

We have 4 typical production lines, which can produce hot rolled Seamless, LSAW, ERW and SSAW pipes. SSAW pipe production line range is OD 219.1mm-3500mm, wall thickness 3.2mm-25.4mm. Product p355gh grade thickness annual capacity is 200 thousand tons.