trench drain grates/drainage grates/metal drain grates

FOB Reference Price:Get Latest Price
$50.00 - $150.00 / Sheet | 30 Sheet/Sheets (Min. Order)
Galvanized Sheet
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Quick Details
Place of Origin:
Hebei, China
Brand Name:
Model Number:
Product name:
Steel Grating
Surface treatment:
Hot Dipped Galvanized
ISO 9001
Steel Floor Decking
Customers' Demand
Raw material:
Carbon Steel
Supply Ability
Supply Ability:
2500 Sheet/Sheets per Week
Packaging & Delivery
Packaging Details
pallets in containers by plastic film and steel straps then in pallet, other worthy export packing, or according to your requirements

Trench Drain Grating

Company Information

We care about your order - small or large.  For assistance / input regarding load requirements and other considerations, we hope you'll give us a call or live your phone number in your email for we call back one number in your email for we call back . 



Product Description

Types of Drainage Grates

Drainage systems are one of the things people take for granted but can cause severe inconvenience if problems arise. Whether it is just inside your own homes or the drainage system of your street and of the whole city, it has been a great concern to promote safety, cleanliness and orderliness in these places. In order to make this happen, there are certain drainage items and components that are necessary to improve the system. One of these is the drainage grates.

Drainage grates are channels created and used to carry off water. If you have good drainage grates, then you basically have a good drainage system. On top of having one, you must also ensure that it fits the drain seamlessly. You should also put in mind that these grates actually require space from its opening so that it would be able to strain foreign materials. In that way, the water will flow accordingly. The physical aspect of the drain is also important. By knowing how you want it to function, you can estimate the amount to spend in having a good drainage system. Of course, the more long-lasting the drainage grates are, the more they cost.

The grates come from materials such as stainless steel, iron, aluminum, plastic or bronze. If you prefer a material that is lesser in price, grates that are made of aluminum is good, especially since it does not rust easily and is light in weight as well as very maintenance-friendly. This is mostly used if drains are installed outside. Those drain grates which are made of stainless steel are more preferred by many because it is rust-proof, durable and long-lasting, and is, in its own way, fashionable too. But this means that it costs more than its aluminum counterpart.

drainage grates 
If you want to have an antique, classic and old-fashioned look for your drain, then drainage grates that are made of cast irons are exactly for you. The bronze grates are also in the same page with what the cast iron could offer. This would definitely look good on your garden.

Finding these products is not really a difficult task. You can buy these in the hardware stores. You can also go directly to the manufacturing companies to choose specific materials. But if you want the unique, antique or classic items, then surfing the internet would be a great option.

There are times that it is not the small drainage grates that you need but those that go in large sizes. This is very seldom seen in stores so it is really recommended to go to those companies that specialize in plumbing so you would not have difficulties in choosing the supplies that you need. These kinds of grates usually require the assistance of experts and professionals, especially in the sourcing and installation part and if it is to be placed underground. This is also similar to the process of installing the grates in swimming pools.

Various Shape Type And Applications of the Bar Grating :


Bar Grating Applications:

Power plants

Sewage treatment

The ship manufacturing

Municipal engineering

Nuclear power plants

Room of the

 lacquer that bake



Offshore platform

Industrial platform

High tower

Water supply and


The steel structure




Painting workshop

Stereoscopic parking

Cement plant

Selected mining

chemical plant

Safety protection

Food processing

Storage shelves

Light industry

The scaffold

Steel Bar Grating Sepecifications

1) Material: Mild Steel Q235  or Stainless Steel such as ss304 ss304L ss316 ss316L...

2) Surface Treatment: Hot dip galvanized , Painted , Untreated.

3) Shape of bearing bars: Plain bar style , Serrated bar style , I Bar style

4) Market: USA CA , Middle East ---Kuwait, UAE, Saudi Araia; Australia, Europe and Southeast 

Special design for certain market:


1) Bearing Bar (Loading Bar) Specifications (mm):

The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2) Bearing Bar Pitch (center to center)

12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,

America standard is available :1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4),(19-w-2) and so on.

3) Cross Bar Pitch (center to center):

38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended,

America standard is available.

4) Material:

Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:

Untreated, Painting or Hot dip Galvanizing

6) Steel grating standards:

A) China: YB/T4001-1998


C) UK: BS4592-1987

D) Australia: AS1657-1985

E) Japan: JIS.


Steel bar grating pictures






Our Services

 Installation of steel bar grating:

1.Welding & using saddle clips are two ways for installation of grating. The welding is suitable for those places where there is no need to move ,for instance,the flooring around the machines. However,using saddle clips are featuring in easy installation & saving zinc layer.

2.Regarding welding installation, angle welding would used at the first bearing bar of every corner,which the welding length is no less than 20mm,&the height is no less than 3mm.

3.Saddle clip composed of a top plate,a hold down & a M8 bolt, is suitable for all kinds of steel gratings installation.

4.Regarding saddle clip installation, at last four sets of saddle clips would be used in one pc grating.It would be better using more in the staddle for those gratings with a bigger span.


Packaging & Shipping

Steel Bar Grating Package and shipping 



   1, What standard can SX Steel grating meet?

SX can fabricate steel grating accoding to the standards in different counties, such as China: YB/T4001.1-2007, USA: ANSI/NAAMM(MBG531), UK: BS4592 and so on.

2, What specification of the steel grating can SX fabricate ?

NJMM can fabricate any specification of steel grating available, both in inch description and metric description.

3,What are the most commonly stocked panel size?

The most common standard panel sizes are 3'x24,' 3'x20', 1000x6000mm,1000x5800mm etc.

4, What are the most commonly stocked bar sizes(height and thickness)?

The most common bars are 1"x1/8", 1"x3/16'', 25x3, 30x3, 32x3, 25x5, 32x5, 35x5, 38x5 etc.

5,Is a deflection chart or load table available for bar grating?

You can learn it at our catalog.

6, Whatis the difference between serrated and non-serrated bar grating?

Serration is done for slip resistance. It is grating which has the top surfaces of the bearing bars notched.

7, What surface finishes are offered on steel bar grating?

Bar grating comes in untreated, painted, hot dip galvanized.