19-W-4 Untreatment Serrated Steel Grating 6m Board For Manhole Covers

Steel Grating Trench Cover Description:

This steel grid/grating is manufactured by cross plain steel strips with the joint spot welded, 2mm thickness of steel strips as bearing and cross bars, then it is hot dip Zinc galvanized. This method provides a positive fusion of cross and bearing bars.

The most popular is the 33*33mm spacing and 11*44mm spacing; Different bearing bar thickness can be specified, the most common 1.8mm, 2.0mm with 30mm width and 10mm width.

Different thickness is offered to accommodate any load rating requirements. Universally used in most general industrial plants as well as commercial buildings; it has a wide range of uses such as walkways, platforms, safety barriers, ventilation grates, and drainage covers.

Bar Type Steel Grating can be widely used in various industrial buildings, such as metallurgy, building materials, power stations, boilers, ship building, , municipal construction, etc.

Bar Type Steel Grating advantage :

Light weight,great load-bearing capacity,non-slip and safe,easy installation,material-economic,sturdy and durable, ventilated,easy to clean and attractive appearance.

Hot to order Bar Type Steel Grating ?

It's better that you can provide drawings with detailed information like raw material, grating type, surface treatment, quantities, etc.

Steel Grating Trench Cover Quality Standards:

Type of steel grating
W-pressure welded grating L-pressure locked grating C-socket welding grating

Pitch of bearing bars ranges from15-30,40,60,80,90mm etc.with 30,40mm recommended.

Pitch of cross bars ranges from 30,38,50,76,100 mm etc. with 50,100mm recommended.

Sign of the shape of bearing bar:
F-plain surface(F is usually can be omitted)  S-serrated surface  I-the section is of 'I'type
 

Surface treatment:
G-hot-dip galvanizing(G is usually omitted)  P-painting  U-untreated

Steel Grating Trench Cover Picture: