【摘要】 根据HP2 95钢奥氏体连续冷却转变曲线 (CCT) ,试验了邯钢紧凑式带材生产技术 (CSP)轧制的气瓶钢HP2 95 (0 17%～ 0 18%C ,0 78%～ 0 87%Mn ,<0 .0 2 5 %Ti) 3mm热轧薄板的热轧温度和冷却速度对钢板组织和性能的影响。得出 ,终轧温度为 84 0℃ ,卷取温度不高于 6 5 0℃ ,卷取后强制风冷的工艺措施可细化钢的组织 ,避免钢中出现渗碳体离异共析 ,提高钢板塑性和深冲性能 ,使钢板的冲裂率小于 0 .5 %。更多还原

【Abstract】 Based on the continuos cooling transformation (CCT) curves of steel HP295, the effect of hot rolling temperature and cooling rate on structure and properties of 3 mm HP295 (0.17～0.18C, 0.78～0.87Mn, <0.025%Ti) hot rolled steel sheet for gas bottle produced by compact strip production (CSP) technology at Handan Steel has been tested and analyzed. It is obtained that the technology measures - finished rolling temperature being 840 ℃, coiling temperature less than 650 ℃ and blast air cooling after coiling could fine the structure of steel, avoid the carbides isolation eutectoid occurring in steel, increase the plasticity and deep\|punching properties of sheet, so that the punching cracking ratio of steel sheet is less than 0.5%.更多还原