Great breakthrough of extra wide Q370R pressure vessel steel sheet in China market

A516Gr.65material is a carbon steel plate for medium and low temperature pressure vessels, which implements the ASTM A516 standard of the American Standard. The Q370R pressure vessel steel sheet) product minimum thickness that can be provided is 8mm and the width is 1500~4000mm. It has sufficient strength and toughness, good welding performance and hot and cold processing performance. A516Gr.65 steel plate can be used to manufacture pressure vessel steel for petrochemical, gas separation and gas storage, oil storage tank and transportation equipment.

The martensite microscopic strength of the wear-resistant layer of the Q370R pressure vessel steel sheet, wear-resistant steel plate can exceed HVl700-2000, and the surface strength can exceed HRC58-62. The key to the wear-resistant layer of the wear-resistant steel plate is dominated by cobalt alloy, and other alloy components such as manganese, molybdenum, niobium, and nickel are added. The martensite in the alloy composition is filled with fibers, and the orientation of chemical fibers is vertical to the surface.

The advantage of hot-rolled stainless steel plate is that it can eliminate the damage caused by Q370R pressure vessel steel sheet metal structure in the process of ingot casting to a certain extent, eliminate some tiny defects in the structure, refine the grains of stainless steel material, promote the structure of steel closer, and improve the performance of the material as a whole. This kind of lifting is mainly manifested in the rolling direction, which can make the Q370R pressure vessel steel sheet steel no longer isotropic to some extent, and some defects such as bubbles, cracks and looseness formed during pouring can be eliminated under high temperature or high pressure.

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