热轧结构用宽板钢 尺寸公差和形状

[中文适用范围]： 规定了非合金钢和合金钢（不锈钢除外）宽扁钢的尺寸、形状和质量的公差。 适用于第 3 条中定义的宽扁钢，其指定最小屈服强度等于或小于 700 N/mm。 [外文原描述]： Specifies tolerances on the dimensions, shape and mass of wide flats of non-alloyed and alloyed steels (excluding stainless steels). Applies to wide flats, as defined in clause 3, of steels with a specified minimum yield strength equal to or less than 700 N/mm .