Steel Grating
Steel grating, also known as bar grating or metal grating, is an open grid assembly of metal bars. The bearing bars run in one direction and are spaced by rigid attachment to perpendicular cross bars or by bent connecting bars extending between them. This design is intended to hold heavy loads with minimal weight. Steel grating is widely used as floor/platform steel grating, stair treads grating, catwalk/walkway steel grating, steel grating fencing, trench covers grating in residential area, steel structure, industrial area, and so on.
As China leading steel grating supplier, I will introduce all the steel grids from different introductions. If you want to buy steel grating, hope provide our best steel grating price and quality to you, based on our rich experience.
Steel Grating Material
1. Mild carbon steel grating: A36/S235/Q235, which is different country’s steel brand, is common grade. After finished welded, it will be surface treatment: hot dipped galvanized (HDG) or painted, to resistant to corrosion or look beauty.
2. Stainless steel grating: Common grade is SS304, 316. Stainless steel grating itself has a strong corrosion resistance, suitable for food processing and chemical fields.
Steel Grating Type
- Welded(electro forged) steel grating: it is produced by rectangular bearing bars and twist cross bars. It is most common type.
- Swage Locked steel grating:it is made by inserting hollow tube cross bars into pre-punched bearing bars and hydraulically compressing them for a secure connection. This design recesses the cross bars below the bearing bars’ surface, creating a uniform and attractive appearance.
- Dovetail Pressure Locked Steel Grating: it’sfeature deep rectangular cross bars and are made by inserting pre-punched bearing bars and cross bars into an “egg-crate” configuration, then deforming the cross bars under intense hydraulic pressure.
Steel Grating Bearing bar
- Flat/plain bar steel grating: It is the most popular and versatile industrial steel gratings.
- Serrated bar steel grating: It has a stronger anti-slip ability then flat bar steel grating.
- I bar steel grating: I bar is similar with I beam, it provide high strength and loading capacity.It is just popular in China, Korea, China-Taiwan, Japan.
Steel Grating Size
Galvanized steel grating and Stainless steel grating are available in a wide range of specification to suit different needs. Common bar grating specification include:
1. Bearing bar: 25×3, 25×5, 30×5,38x5mm are common size. The size can be measure by inch: 15/16’’ X 3/16’’, 1″ x 3/16″ and so on.
2.Spacing of bearing bar and cross bar:30*100mm, 34*34mm, 40*50mm, 30*50mm. Other common descriptions: 19w4, RS40, RS80
3.Size: we can do any size by your requirement. Many wholesalers often buy 1*6m or 3 ft* 20 ft, so they can cut then sell.
4.Galvanized layer: Common hot dip galvanized standard: ISO-1461-2009, ASTM-A123, BS729, we can meet.
Choosing the right steel grating type and specification according to project requirements can not only ensure durability and performance but also achieve cost optimization. As a professional steel grating manufacturer/supplier, If you need an accurate quotation or calculate the steel grating weigh, please provide your steel grating design.
Loading Capacity
- Standard steel grating: Itis easily manufactured and provide high load structure and is widely used as steel platform, walkway, bridge decking and flooring.
- Heavy duty steel grating: it mean need strong bearing bar and shorter pitch of bearing bar. steel grating, which bearing bar more then 60*5mm, named heavy duty steel grating.
Our Service
1.Free design: We will design a suitable product based on your requirements for the product (such as load-bearing capacity, service life, etc.) and budget.
2.Free sample: If you want to check our products, we will provide samples for free.
3.Installation guide online：We will provide detailed online installation guidance.
- Free design
- Free sample
- Installation guide online
Why Partner With Us?
1.Transparent Pricing: Factory-direct rates, 30–50% lower than EU/US brands.
2.Rapid Delivery: 7-day lead time for urgent orders, flexible terms (FOB/CIF/DDP).
3.Proven Reliability: 10+ years exporting to 50+ countries for infrastructure projects.
We redefine value in steel grating through “Intelligent Chinese Manufacturing” — blending quality, innovation, and affordability to boost your project ROI. Request free samples and compliance certifications today to experience unmatched cost-performance!
