The production flow sheet for 2. 5 mm hot rolled strip of austenite stainless steel 06Cr18Ni5Mn7Cu3N is 70 t EAF-70 t bottom-blown GOR converter-LF-180 mm x 1240 mm slab CC-hot rolling process. The peeling defects with width ≤ 20 mm and depth ≤ 0.06 mm occur at distance about 30 mm from edge of pickled 2.5 mm hot-rolled strip. Analysis show that due to higher heating temperature during heating process for hot rolling (1200-1260 ℃) and longer holding time during heating ( more than 210 min) led to the formation of a large amount of copper-rich phase precipitated at grain boundary

as a result the peeling defect forms during hot rolling. With improving healing temperature 1200-1240 ℃ and holding time 150-210 min

the forming strip peeling defect ratio decreases from original 7% to less than 0.5%

the quality of products enhances markedly.