G是鋼格柵的專用符號，325是指扁鋼寬度32厚度5毫米，30/100是指鋼格板扁鋼與扁鋼的網(wǎng)孔間距30 麻花鋼與麻花鋼的間距是100毫米。

G325/30/100說明使用的鋼柵格板規(guī)格扁鋼寬度32mm，厚度5mm。鋼柵格板使用網(wǎng)孔是30mm*100mm。熱鍍鋅鋼柵格板，表明處理進行酸堿浸泡后表面鋅處理，起到防腐蝕等效果。其他常見規(guī)格的鋼柵格板還有：G325/30/50 G255/30/100 G405/30/100 G505/40/50 G605/30/50 G708/30/500 G255/30/100 G325/30/50 G405/30/100 G505/40/50 G605/30/50 G708/30/500 G255/30/100 G505/40/50 G325/30/50 G505/40/50 G708/30/500 G255/30/100 G325/30/50 G708/30/500 G809/50/100 G255/30/100 G325/30/50 G325/30/50 G505/40/50 G255/30/100 G505/40/50 G605/30/50