尺寸允许偏差 热轧钢板和钢带尺寸允许偏差 (GB/T709-1988) 钢板的厚度允许偏差 ( 一) mm 公称厚度 在下列宽度时的厚度允许偏差 (钢板和钢带 ) 600∽750 >750∽1000 >1000∽1500 较高轧制精度 普通轧制精度 较高轧制精度 普通轧制精度 较高轧制精度 普通轧制精度 >∽ ± ± ± ± - - >∽ ± ± ± ± - - >∽ ± ± ± ± - - >∽ ± ± ± ± - - >∽ ± ± ± ± - - >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ ± ± ± ± ± ± >∽ >∽ >