The research of corrosion behavior of T/P91 steel was investigated taking the case for the T/P91 steel corrosions existed during the construction process of a thermal power plant in Hunan province. The morphology change. product component and mechanical properties change were studied during the corrosion process of SO4-2. The results indicated that the surface oxide layer are mainly c... https://homehardware4ues.shop/product-category/screen-frame-corners/