Description
Table of Contents
ToggleCommercial project grating stockists rain water drainage industrial structural steel grating
Product Specification
| Feature | Details |
|---|---|
| Material | Carbon steel, Stainless steel |
| Type | Flat grating, press lock grating, serrated grating |
| Bearing bar | 20mm, 25mm, 30mm,32mm,38mm, 40mm, 45mm, 50mm ect… |
| Size | as customized |
| Finish | Hot dip galvanized or polished |
1. Product Overview
As a critical component for rain water drainage in industrial structures, structural steel grating plays an irreplaceable role in various commercial projects. Whether it is large-scale industrial parks, high-end commercial plazas, or municipal infrastructure, this product serves as the “first line of defense” against water accumulation—effectively guiding rainwater away, protecting the safety of building foundations and ground structures, and ensuring the smooth operation of daily production and business activities. For grating stockists, it is a core inventory item that meets the urgent needs of diverse projects, bridging the gap between project construction schedules and high-quality drainage solutions.
2. Outstanding Features
2.1 Robust Structure
Crafted from high-grade structural steel, our gully cover gratings boast exceptional mechanical performance. The material undergoes rigorous quality testing, with a tensile strength of up to 510 MPa and a yield strength exceeding 345 MPa—enabling them to withstand heavy loads such as industrial vehicles (forklifts, trucks), pedestrian foot traffic, and even occasional equipment impacts in industrial settings. The grating’s grid structure, formed by precision welding of load-bearing flat bars and crossbars, distributes pressure evenly across the entire surface, avoiding localized stress concentrations and ensuring long-term structural stability without deformation.
2.2 Efficient Rain Water Drainage
The unique grid design of our steel gratings is optimized for maximum drainage efficiency. With a standard opening rate of 60%-75%, the evenly spaced gaps (ranging from 30mm to 100mm, customizable) allow rainwater to flow through rapidly—even during heavy downpours of up to 50mm/hour. Unlike solid covers that trap water, our gratings prevent ponding on surfaces, reducing the risk of slips and falls in commercial areas and avoiding water damage to industrial equipment or warehouse goods. Additionally, the smooth edge treatment of the grid gaps prevents debris (such as leaves, small stones) from clogging the drainage system, minimizing maintenance frequency.
2.3 Durable Corrosion Resistance
To adapt to harsh outdoor and industrial environments, our structural steel gratings undergo professional anti-corrosion treatment. The standard process includes hot-dip galvanization (in accordance with ISO 1461), which forms a 85-110μm thick zinc layer on the surface. This zinc coating acts as a barrier against moisture, chemicals (such as industrial oils, weak acids in rainwater), and salt spray (in coastal areas), ensuring the gratings maintain their performance for over 15 years in outdoor settings. For projects with higher corrosion requirements (e.g., chemical plants), we also offer stainless steel (304/316L) options, further extending the product’s service life.
3. Wide-Ranging Applications
3.1 Industrial Structures
In industrial factories, warehouses, and manufacturing plants, our steel gratings are widely used as gully covers for floor drains and trench drains. They effectively collect and discharge rainwater, cleaning wastewater, and oil residues, keeping workshop floors dry and safe. For example, in automotive assembly plants, the gratings withstand the weight of assembly line equipment while preventing oil spills from mixing with rainwater and causing drainage blockages—supporting compliant and efficient production operations.
3.2 Commercial Projects
For commercial developments such as shopping malls, office buildings, and outdoor plazas, our gratings balance functionality with aesthetics. The sleek, uniform grid pattern complements modern architectural designs, while the non-slip surface (achieved via surface serration treatment) ensures pedestrian safety in wet conditions. In rooftop gardens or commercial parking lots, the gratings serve as hidden drainage solutions, maintaining the integrity of the landscape or parking space while ensuring rapid rainwater removal.
3.3 Municipal Infrastructure
In municipal projects like roadways, bridges, and public parks, our gratings play a key role in urban rain water drainage systems. Installed in roadside ditches and underpass drains, they handle large volumes of rainwater during storms, preventing road flooding and protecting road foundations from water erosion. Their durability also reduces maintenance costs for municipal departments, as they require minimal repairs or replacements over decades of use.
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