铝板带断后伸长率与断裂总伸长率差异验证刘利;朱玲;李学睿【摘 要】The difference between the percentage elongation after the break of aluminum plate and the total percentage elongation at the break of that is demonstrated from theor
1)尺寸规格钢板和钢带的适用厚度范围为>4~60mm。其尺寸规格和允许偏差应符合GB/T709《热轧钢板和钢带》的规定。(2)牌号和化学成分见表5-20。表5-20优质碳素结构钢热轧厚钢板和宽钢带的牌号和化学成分牌号化学成分(质量分数)(%) C si Mn精炼剂PSCrNiCu≤05F≤O.06≤0.03≤O.40.O.0350.040O.10O.250.2508FO.05~0.11≤0.