Tianjin Shunjinhua Machinery Manufacturing Co Ltd
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Metal building materials hot dipped 30*3mm galvanized steel grating

Specification: 1-10 USD/SQUARE METERS
Supply Ability: 10000 SQUARE METERS
Payment Terms: TT , LC , Others
Place of OriginChina (Mainland)
Brand Nameshunjinhua
Surface treatmentHot Dipped Galvanized
Product nameSteel Grating
MaterialLow carbon steel,Stainless steel,aluminum alloy,etc
Application Floor,construction
Bearing bar20x5,25x3,25x4,25x5,30x3,30x4,30x5,32x3,32x5, 40x5
Bearing bar pitch 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.
Cross bar5x5, 6x6, 8x8mm (twisted bar or round bar)
Cross bar pitch40,50,60, 65,76,100,101.6,120,130mm
Flat bar typePlain, Serrated (tooth-like), I bar (I section)
Specification1-10 USD/SQUARE METERS
Supply Ability10000 SQUARE METERS
Payment TermsTT , LC , Others

Product Description:

Steel Grating made by welding with flat steel and cross/round bars with certain distances. Our Steel Grating enjoy the feature of high strength, light structure, high bearing, convenience for loading and other properties. The hot dipped zinc coating gives the product excellent anti-corrosion.

Steel grating

1)Raw material :Low carbon steel, stainless steel, aluminum alloy
2)Types of Steel Grating:Plain/smooth type, I type ,Serrated/teeth type.
3)Cross bars shape: square bars, twisted square bars,round bars
4) Surface treatment: untreated(black), hot-dipped galvanized ,powder coated, electroplate,painting or as per customers' requirement.

Specification of Metal building materials hot dipped 30 x 3mm galvanized steel grating:

Material Standard

ASTM A36, A1011, A569, Q235, S275JR,Stainless steel 304,
Mild steel & Low carbon steel, etc

Bearing Bar


25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10.....100 x10mm 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.

Twisted Cross Bar Pitch

38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc

Surface treatment

untreated(black), hot-dipped galvanized ,powder coated,
electroplate, painting or as per customers' requirement.

Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar


1) LCL(less than one container load): packed with plastic film then on the pallets 
2) FCL(full container load): nude packing 
3) Other special package :according to customers' requirements.

Remarks: Other sizes also can be customized according to customers' requirement.  

Product detail:  

Product application:

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

Our Service:

1. Accept OEM design: OEM are welcome.

2. Godd service: We never spare any effort to provide excellent service to our customers.

3. Good quality: we have good reputation in the world steel grating market.

4. Good delivery: Our efficient productivity can ensure that delivery will never be late.

5. All items are of Top  Quality with best price
6. Direct wholesale price from Factory and 100%quality guaranteed
7. Large Selection with all sizes

Send a message to us


152 kilometers of national highway 104, east side of gaogaolou village, jinghai town, jinghai district, Tianjin,China


Shunjinhua is specialized in manufacture and export all kinds of steel gratings with the best quality, competitive price and faster delivery time. Such as steelmill black and hot dip Galvanizing grating flooring walkway, platform and steel structures, stair tread, well cover, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

Tianjin Shunjinhua Machinery Manufacturing Co Ltd