p355gh equivalent astm material hot rolled flat bar price
EN-BOILER Steel provides high-quality boiler steel to many natural gas.
Oil and petrochemical companies and is well-known worldwide.
p355gh equivalent astm material hot rolled flat bar price
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Z-direction steel refers to thick steel with good tensile resistance in thickness direction. In the application of steel plate, the reason for additional performance requirements on the thickness direction of steel is due to the existence of defects in the thickness direction of steel in the process of casting and rolling. This defect makes the steel prone to lamellar tearing during welding, which reduces or even loses the design bearing capacity of application. The Z-direction performance is required for P355GH equivalent astm material and so on steel plate with the tensile force along the plate thickness direction greater than or equal to 40mm.
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The p355gh equivalent astm material steel making furnace can only be used as primary refining, and the refining needs to be completed in the refining equipment outside the furnace, which is also called secondary refining. It is mainly through decarburization, desulfuration, denitrification and dephosphorization to improve the cleanness of the steel, to establish a chromium molybdenum low alloy steel with good oxidation resistance and high temperature strength, to remove unwanted harmful impurities from the steel, and to improve the p355gh equivalent astm material internal quality of the steel.