首页>
外国专利>
HIGH STRENGTH STEEL PLATE WITH EXCELLENT RESISTANCE OF CYCLIC PRESSURE FOR LOW-TEMPERATURE PRESSURE VESSEL, MANUFACTURING METHOD THEREOF AND MANUFACTURING METHOD OF DEEP DRAWING ARTICLE
HIGH STRENGTH STEEL PLATE WITH EXCELLENT RESISTANCE OF CYCLIC PRESSURE FOR LOW-TEMPERATURE PRESSURE VESSEL, MANUFACTURING METHOD THEREOF AND MANUFACTURING METHOD OF DEEP DRAWING ARTICLE
展开▼
机译:低温压力容器具有优异耐循环压力的高强度钢板及其制造方法和深拉制件的制造方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
PURPOSE: A high strength steel plate for the low temperature pressure vessel with a superior repetition pressurized property, a manufacturing method of the deep drawing product and a manufacturing method thereof are provided to increase the service life of a container. CONSTITUTION: A steel material for high tensile deep drawing with a superior low temperature toughness is as follows. The steel slab is re-heated in 1000~1250C. The steel slab be rolling-finished in 750~1000C. The steel slab is sphere and heat treats made after normalizing at a temperature of Ac1~Ac3. The steel slab is made of C: 0.25~0.40%, Si: 0.15~0.40%, Mn: 0.4~1.0%, Al: 0.001~0.05%, Cr: 0.8~1.2%, Mo: 0.15~0.8%, P: less than 0.015%, S: less than 0.015%, Ca: 0.0005~0.002%, Nb: less than 0.05%, B: 0.0005~0.0025% and Ti: 0.005~0.025%. The impurity which is inevitable the remnant Fe and others is included.
展开▼