SY/T 0442-2010 "Steel Pipeline Fusion Epoxy Powder Internal Anti-corrosion Layer Technical Standard" stipulates the technical requirements for the anti-corrosion layer in the steel pipeline fusion epoxy powder. The standard covers raw materials, anti-corrosion layer production, construction technology, mass inspection and other content, clarifies the operation specifications and acceptance indicators of each link, puts forward requirements for the thickness of the anti-corrosion layer, adhesion, and performance of chemical resistant media, and provides technical guidelines for ensuring the anti-corrosion mass in steel pipelines and prolonging the service life of pipelines.