GB/T 25151.2-2010
ActiveFabrication and inspection method for high pressure urea equipment - Part 2: Selective corrosion examination and metallography examination for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
尿素高压设备制造检验方法 第2部分：尿素级超低碳铬镍钼奥氏体不锈钢选择性腐蚀检查和金相检查
Application Summary AI generated
This standard specifies the selective corrosion examination and metallography examination methods for ultra low-carbon chromated nickel molybdenum austenitic stainless steel used in high-pressure urea equipment. It is applied during the fabrication and inspection of urea reactors, strippers, and condensers to verify the material's resistance to intergranular corrosion and ensure structural integrity in aggressive urea synthesis environments.
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