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Low alloy steel plates for pressure vessels operating at subzero temperatures are designated according to their chemical composition and mechanical properties. The grade of such steel plates, published by the Chinese national standards organization, can include Grades H480Y, H340Y, H420Y, H440Y,......
x12ni5 is a type of nickel-chromium stainless steel carrying a certain amount of aluminum and titanium, which is especially designed for applications requiring high-grade welding and good oxidation resistance. It is widely used for applications in power generation, high temperature valves and pipe......