p265gh hii steel China structural steel

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SA387 series grades: SA387Gr5Cl2, SA387Gr11Cl2, SA387Gr12Cl2, SA387Gr22Cl2, SA387Gr91, P265GH hii steel, etc.SA387Gr11CL2 material chemical composition:C:0.05-0.17, Mn:0.40-0.65, P:0.035, S:0.035, Si:0.50-0.80, Cr:1.00-1.50, Mo:0.45-0.65.SA387Gr11CL2 material equivalent Chinese steel grade is 14Cr1MoR.

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The sulfur element (S element) comes from the ore and fuel coke of steelmaking. It is a harmful element in p265gh hii steel 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.

The company has a group of experienced steel plate continuous processing line construction, production management, operation and professional and technical personnel. The company is a modern enterprise integrating scientific research and development, production processing, sales and service. Our main products include hot rolled plates, seamless pipes, p265gh hii steel and steel structures. At the same time, it also adheres to international standards and adheres to the international line.