• Andy Simpson
    I'm a long-term partner of this factory. I've been on a field trip.The factory is strong and the grating quality is very good. I cooperated with this grating supplier in 2017.What surprised me was that this factory was very strong,and it was also one of the top local grating factories.
  • David Zhang
    My client told me that it was very smooth.The delivery speed is also very fast,I will receive the goods on the 7th day of the order.And the goods is inexpensive and convenient.
  • Ajay Parate
    I have placed an oeder at this factory about FRP grating.The service is good and the grating is perfact.I'll come again.

Park Carbon Steel Strip Hot Dip Galvanized Grating Gutter Cover

Place of Origin Hebei
Brand Name Zhuote
Certification ISO9001-2015
Model Number 305/30/100
Minimum Order Quantity 80 piece
Price Can discuss
Packaging Details Steel belt packaging
Delivery Time 12 work days
Payment Terms L/C, T/T
Supply Ability 1200 Square meters/day
Product Details
Grade Q235 Q345, Low Carbon Steel And Stainless Steel Feature Anti-corrosive, Anti-sand, Simple Installation, Durable, Light Weight
Shape Beams, Square, Various, As Your Request, Fish-eye Certification SGS&ISO 9001, SGS, ISO9001
Grating Size 3'x20', 1000x1000mm, 3x30', Drainage Grating Size Is Based On Customer's Requirement, 1000x6000mm And All Cross Bar Pitch 50, 40, 100mm
Material Steel, Fiberglass, Q235, Aluminum Alloy Application Floor, Walkway, Industrial Platform, Bridge, Trench Drains
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Product Description

Hot dip galvanized gutter cover grating Park carbon steel strip grating gutter cover


Product Description


Steel bar grating with high strength and firm structure is made up of carbon steel, aluminum steel, or stainless steel. According to the manufacturing methods, it can be divided into four types: welded, press-locked, swage-locked, and riveted gratings. According to the surface shapes, it can be divided into smooth and serrated gratings. With various styles and sizes for choice, steel gratings are widely used in everyday life, such as stair treads, walkways, platforms, floors, various covers, wheeled equipment, security screens, heavy-duty constructions, and so on.


Surface Treatment of hot dip galvanized steel grating

  • hot dipped galvanized
  • Untreated
  • Painting
  • 95% people choose hot dipped galvanized because its anti-acid and alkali corrosion capacity range is from PH6 to PH12.5,a stable protective film will be formed on the zinc surface.it has good anti-corrosive property.

Process of hot dip galvanized steel grating

  • We have our own factory and facility.
  • Excellent hot-dip galvanizing process to achieve great anti-acid and alkali corrosion.
  • We can manufacturer any kinds of specification as your demand.


1. At each intersection of load flat steel and cross bar, it should be fixed by welding, riveting or pressing lock.

2. Pressure resistance welding or arc welding are preferred in the welding of steel grille.

3. The pressure lock of the steel grille can be fixed by pressing the cross bar into the loaded flat steel by a press.

4. Steel grilles should be processed into various shapes according to the needs of users.

5. The spacing of the load flat steel and the spacing of the cross bar can be determined by the supplier and the demander according to the design requirements. As an industrial platform, it is suggested that the spacing of load flat steel should not be greater than 40 mm and the spacing of cross bar should not be greater than 165 mm.


Bearing bar
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5,
50x5, 65x5, 75x6, 75x10,100x10mm etc;
I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc
US standard: 1'x3/16', 1 1/4'x3/16', 1 1/2'x3/16',
1'x1/4', 1 1/4'x1/4', 1 1/2'x1/4', 1'x1/8', 1 1/4'x1/8',
1 1/2'x1/8' etc.
Bearing bar pitch
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1,
40, 41.25, 60, 80mm etc
US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
Cross bar pitch
38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2' & 4' etc
Material Grate
ASTM A36, A1011, A569, Q235, S275JR, SS304,
Mild steel & Low carbon steel, etc
Surface treatment
Black, self colour, hot dip galvanized, painted, spray coating
Grating Type
Plain / Smooth, Serrated /teeth, I bar, serrated I bar
China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987, Australia: AS1657-1985,
Germany: DIN24537-1-2006, Japan :JIS
-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 high strength .



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Q:Why choose us?

A: Direct factory,competitive factory price, quality assurance,local stock,fast delivery.

Q: How about the payment terms?

A:We usually use the T/T,L/C order. (100% guaranteed transaction by Alibaba ).

Q: How about the delivery time?

A:Usually within 15- 20 days, customized order may need longer time.

Q:Can you offer free sample?

A:Yes, It is our pleasure to provide sample,but usually the customer need to pay the freight,

We'll send back the courier charge if you make an order.