标准摘要
[中文适用范围]： 描述了在3毫米及以上厚度的低碳钢板上使用圆形（圆形）和方形穿孔的三种图案。 孔的尺寸范围为 125 至 3.15 毫米（含）。 规定了五种节距与孔的比率，导致标称开口面积范围从约 64% 到 23%。 [外文原描述]： Describes three patterns using round (circular) and square perforations in low carbon steel plate of 3 mm thickness and above. The sizes of holes range from 125 to 3.15 mm inclusive. Five ratios of pitch to hole are prescribed which result in nominal open areas ranging from about 64 to 23 %.
英文名称Industrial plate screens — Part 1: Thickness of 3 mm and above