Download the complete size chart of steel grating.
China Manufacturer Steel Grid Floor/Drainage Grid Flooring /Steel Grating for Platform
Product Detail
| Material | Steel, Galvanized Steel | Model Number | Customized |
| Surface Treatment | Hot-dipped galvanized, Painted, No treatment | Brand Name | Royal, OEM |
| Application | Outdoor metal stairs; Platforms, stairs, Drainage ditch and protective fence | Alloy Or Not | Is Alloy |
| Feature | Fire Resistant, Anti-Corrosion, Durable | Secondary Or Not | Non-Secondary, Non-secondary |
| Shape | Square | Chemical Composition | C, Mn, P, S, etc |
| Type | Serrated, Plain, I bar grating | Warranty | 3 Years |
| Length | As required, Washable | After-sale Service | Online Technical Support, Free Spare Parts, Other |
| Width | As required | Project Solution Capability | Graphic design, 3D model design, Total solution for projects, Others |
| Weight | Customized | Design Style | Industrial |
| Color | Customized | Place of Origin | Tianjin,China |
Chemical Composition & Mechanical Properties
Chemical Composition (Q235B Galvanized Steel)
| Element | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Max Content | ≤0.20% | ≤1.40% | ≤0.045% | ≤0.045% |
Mechanical Properties
| Yield Strength | Tensile Strength | Elongation | Cold Bending Performance |
| ≥ 235MPa | 370–500MPa | ≥ 26% | No crack, no deformation |
Steel Grating Size
| Grating Type | Bearing Bar Pitch / Spacing | Bar Width | Bar Thickness | Cross Bar Pitch | Mesh / Opening Size | Load Capacity |
|---|---|---|---|---|---|---|
| Light Duty | 20 mm – 25 mm | 20 mm | 4–6 mm | 30–50 mm | 25 × 25 mm | Up to 350 kg/m² |
| Medium Duty | 25 mm – 38 mm | 20 mm | 5–8 mm | 30–50 mm | 30 × 30 mm | Up to 700 kg/m² |
| Heavy Duty | 38 mm – 50 mm | 20 mm | 6–10 mm | 30–50 mm | 40 × 40 mm | Up to 1400 kg/m² |
| Extra Heavy Duty | 50 mm – 76 mm | 20 mm | 8–12 mm | 30–50 mm | 50 × 50 mm | >1400 kg/m² |
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Surface Finish
Initial Surface
Galvanized Surface
Painted Surface
Application
1.Walkway Platform: High-strength steel grating ensures safe, stable and anti-slip walking passage for industrial and outdoor walkways.
2.Staircase: Durable and load-bearing grating used as stair treads, providing secure footing and long service life.
3.Work Platform: Heavy duty structure with excellent load capacity, ideal for factory and industrial operation platforms.
4.Drainage: Open grid design enables fast water flow, perfect for drainage ditches and trench cover to prevent water accumulation.
Our Advantages
1.Premium Galvanized Steel Material
We adopt high-quality carbon steel with hot-dipped galvanized treatment. High strength, anti-corrosion, fire resistance and long durability, suitable for long-term outdoor and industrial use.
2.Multiple Types & Customization
Available in serrated, plain and I-bar type steel grating. Custom size, thickness and surface treatment to fit walkways, staircases, work platforms and drainage projects.
3.Strict Quality Control
Complete production standards, stable chemical composition and reliable mechanical properties. Each product is inspected strictly before delivery.
4.Factory Direct Supply
Direct manufacturer from Tianjin, over 15 years of production experience. No middleman, reasonable cost and stable supply.
5.Safety & High Bearing Capacity
Reasonable grid structure, strong load-bearing and anti-slip performance, ensuring safe use in various industrial occasions.
6.Complete Service Support
Online technical support, customized project solutions, OEM service and considerate after-sales service. Fast delivery and standard export packaging.
Packaging & Shipping
Steel gratings are firmly bundled with steel strips and wrapped with waterproof materials for long-distance transportation.
We provide standard export packaging, arrange timely shipment, and offer flexible logistics to ensure intact delivery.
FAQ
Q1. Who are we?
A: We are an enterprise focused on the production of steel gratings, with over ten years of experience in manufacturing and producing steel gratings, equipped with complete facilities and advanced technology. We offer a wide range of customization services to meet your special orders.
Q2. What can you purchase from us?
A: Steel gratings, trench covers, stair treads, railings, handrails and ball-joint posts, steel stairs and their accessories.
Q3. Are you a factory or a trading company? Can you customize?
A: We are a factory, we can customize and meet all your requirements.
Q4. How do we ensure quality?
A: Samples are always made before mass production;
Final inspections are always conducted before shipment.
Address
Bl20, Shanghecheng, Shuangjie Street, Beichen District, Tianjin, China
Phone
+86 13652091506











