钢格板分类的型号、纵条的侧边状态和表面保护状况等,可用代号表示:

The clarified type of the grating, the side shape of the bearing-bar and the finish can be shown with mark.
         注:Note

横条的间距有AB两种,A表示中心距为100mmB表示中心距为50mm.
A,B are the two types of cross bar pitch A=100mmcenter to certerB=50mmcenter to certer

纵条的间距有三种:
1
表示系列1,间距为30mm(中心距)
2
表示系列2,间距为40mm(中心距)
3
表示系列3,间距为60mm(中心距)

There are three types of bearing-bar pitch

 Bearing bar pitch: Series11= 30mmcenter to certer
Series22= 40mmcenter to certer
Series33= 60mmcenter to certer

纵条的侧边状态有PS两种:

 P表示平面形(在标记中可省略);S表示齿形。
There are two types (P.S) for the sides Shape of the bearing bar
P=Plain   S=Serrated

表面状态有GBPTU四种

There are four types-G,B,PT,U for the finish
G
表示热浸镀锌;G=hot-gavanized
B
表示浸渍 沥青;B=bitumen paint-dipped
PT
表示涂漆;PT=Painted
U表示不处理(在标记中可省略)。U=untreated (it can be omitted in the mark)