Heavy Duty Drain Guard/Storm water Grate

Product Overview

Description

  Heavy Duty Drain Guard/Storm water Grate

 

Steel grating is also called steel grate, steel grate mesh or metal grid mesh. It is made by stainless or mild steel of certain sizes through the processing of grooving, lock-pressure, welding, finishing and other treatment. Industrial bar gratings can be actually made from copper, aluminum and other materials, while galvanized steel grating is the mostly used one due to its economic cost and good property.

 

Material: stainless or mild steel

 

Steel grating types: 

 

There are three kinds of steel gratings distinguished by different bearing bar types.

The respective of features are as follows:

• Plain: the most widely used gratings, available for flooring sidewalk, all kinds of ditch cover, stair tread, etc.
• Serrated: best non-skid property & safety compared with plain grating.
• I-shape: lighter, Not substantially weaken the case of load capacity more economical and practical comparing with plain grating.

Steel grating standards:

• China: YB/T4001-1998
• USA: ANSI/NAAMM (MBG531-88)
• UK: BS4592-1987
• Australia: AS1657-1985
• Japan: JJS

 

Steel Grating Specifications

 

Bearing   bar   Pitch	Cross-bar     Pitch	Specification   of steel graing(width×thickness)
		20×3	25×3	32×3	40×3	20×5	25×5
30	100	G203/30/100	G253/30/100	G323/30/100	G403/30/100	G205/30/100	G255/30/100
	50	G203/30/50	G253/30/50	G323/30/50	G403/30/50	G205/30/50	G255/30/50
40	100	G203/40/100	G253/40/100	G323/40/100	G403/40/100	G205/40/100	G255/40/100
	50	G203/40/50	G253/40/50	G323/40/50	G403/40/50	G205/40/50	G255/40/50
60	50		G253/60/50	G253/60/50	G403/60/50	G205/60/50	G255/60/50

 

Packing:

 

Naked or packing as the customers' request

 

 

 

 

• Rotation ways, channels, and platforms for pump rooms and engine rooms in various ships;
• flooring in various bridges such as railway bridge sidewalks, over-bridges across the street;
• platforms for oil extraction sites, car washing sites and air towers;
• fencings for car-parks, buildings and roads; drainage trench covers and drainage pit covers for highways.