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Custom Welded Steel Grating is a high-strength open-grid metal panel manufactured by professional resistance welding technology. It adopts integral welding structure of bearing flat bars and cross twisted bars, with firm welding points, stable structure and strong bearing capacity. Different from standard fixed-size grating, this series supports full-grade, full-size personalized customization, which can perfectly adapt to various complex installation environments and load requirements. The product features light weight, high toughness, good ventilation and drainage performance, and is not easy to accumulate dust and water, being a mainstream load-bearing and anti-slip flooring material for industrial and municipal engineering.
Applicable Industries：Widely applicable to petrochemical engineering, thermal power plants, wastewater treatment plants, municipal construction, port and shipbuilding, metallurgical mines, food processing factories, warehouse mezzanines, chemical plants, offshore platforms, road and bridge engineering and other fields.
Available Grade / Type / Size
Grades：Q235B carbon steel, SS400 carbon steel, 304 stainless steel, 316 stainless steel, 316L stainless steel
Types：Custom welded plain steel grating, custom serrated anti-slip welded grating, custom heavy-duty welded grating, custom dense mesh welded grating, custom stair tread welded grating, custom trench cover welded grating
Size Range：Bearing bar height 20mm–100mm, bearing bar thickness 3mm–10mm; standard bar spacing 30mm/40mm/60mm, cross bar spacing 50mm/100mm; all length, width and special-shaped sizes support full customization without fixed limit
01. Full Customization of Grade & Size
Break the limitation of standard specifications, support arbitrary customization of steel grade, bar height, thickness, spacing and overall panel size. It can be tailored according to customer’s actual installation space, load standard and project drawing requirements to achieve zero-fit error.
02. Firm Welding & Superb Structural Stability
Adopts automatic high-frequency resistance welding process, which makes the fusion of bearing bars and cross bars tighter. The welding points are not easy to fall off or deform, with strong overall stability, effectively resisting heavy pressure, impact and mechanical torsion.
03. High Strength & Light Weight
The open grid welded structure realizes high load-bearing performance while maintaining light self-weight. It effectively reduces the overall load of the building foundation, saves engineering materials and construction costs compared with solid steel plates.
04. Excellent Anti-corrosion & Durability
Matched with multiple surface treatment processes, the welded steel grating has strong rust resistance, acid and alkali resistance, and salt spray resistance. It can adapt to harsh environments such as outdoor exposure, humid sewage and coastal corrosion, with long service life.
05. Good Ventilation, Drainage & Anti-slip Performance
The open grid design ensures unobstructed air circulation, light transmission and rapid water drainage, avoiding water accumulation and dust deposition. The customized serrated tooth surface effectively enhances anti-slip performance, meeting industrial safety production standards.
06. Easy Installation & Low Maintenance
The customized size is accurate and the cutting is neat, which is convenient for on-site assembly and fixed installation with matching accessories. The open structure is easy to clean without mud and dirt blockage, greatly reducing later maintenance time and cost.
Item | Standard Parameters | Customizable Range |
|---|---|---|
Material Grade | Q235B Carbon Steel | SS400, 304, 316, 316L Stainless Steel |
Production Process | Automatic Resistance Welding | Reinforced Welding, Full Penetration Welding |
Bearing Bar Size | 32×3mm, 32×5mm | Height 20–100mm, Thickness 3–10mm |
Bearing Bar Pitch | 30mm | 40mm, 60mm, Custom Special Spacing |
Cross Bar Pitch | 100mm | 50mm, Custom Dense Spacing |
Panel Dimension | 1000×6000mm (Max Standard) | Custom Any Width, Length & Irregular Size |
Bar Type | Plain Flat Bar | Serrated Anti-slip Bar, I-shaped Bar |
Surface Treatment | Hot Dipped Galvanized (HDG) | Cold Galvanized, Painting, Black Raw Steel, Polishing |
Executive Standard | YB/T4001.1-2007, GB/T13912 | BS4592, ASTM A123, ISO1461 International Standards |
1. Q235B Carbon Steel (Best-selling Custom Material)
It has excellent weldability, plasticity and low cost, suitable for most conventional industrial and municipal projects. After hot-dip galvanizing treatment, it has good outdoor anti-rust effect, meeting the daily load and anti-corrosion needs of conventional platforms, trench covers and walkways.
2. 304 Stainless Steel
Good comprehensive corrosion resistance, no need for galvanized protection, clean and sanitary. Customized for food processing, pharmaceutical factories, drinking water treatment and indoor high-cleanliness environments.
1. Grade Customization：Free selection of carbon steel, stainless steel and other raw material grades, adjust material performance according to project environment (corrosion resistance, heavy load, anti-slip, etc.).
2. Full Size Customization：Custom non-standard width, length, bar height, bar thickness and bar spacing; support special-shaped cutting such as arc, circle, hole opening for pipeline penetration.
3. Structural Customization：Custom heavy-duty thickened welded grating for vehicle load-bearing; custom dense mesh small-aperture grating to prevent small tools and materials from falling; customized serrated anti-slip structure for slippery sites.
4. Surface Treatment Customization：Adjust zinc coating thickness of hot-dip galvanizing, customize anti-rust paint with special colors, and provide mirror/brushed polishing treatment for stainless steel grating.
5. Accessory & Processing Customization：Support edge wrapping, toe plate welding, handrail base integration, and matching installation clips customization, providing one-stop finished product solutions.
Q1: What are the advantages of custom welded steel grating compared with standard grating?
Custom welded steel grating can be tailored according to your project’s actual size, load standard and use environment, avoiding installation gaps and performance waste. The integral welding structure is more stable than ordinary grating, and it can meet the special use requirements of complex and non-standard engineering projects.
Q2: What material grade should I choose for my project?
Conventional outdoor and ordinary industrial projects choose cost-effective Q235B carbon steel; food and medical clean environments choose 304 stainless steel; coastal, marine and strong corrosive environments choose 316/316L stainless steel; heavy-load vehicle passage scenarios choose SS400 high-strength carbon steel.
Q3: Can you customize irregular and special-shaped welded gratings?
Yes. We support all kinds of special-shaped customization, including arc cutting, circular hole opening, square hole opening, L-shaped and U-shaped special grating, and can process strictly according to your CAD drawings and technical requirements.
Q4: What is the production cycle for custom welded steel grating?
Conventional size and material customization takes 7-10 working days; special thickened, dense-hole, special-shaped and stainless steel customized products take 10-15 working days, and bulk project orders can negotiate delivery time.
Q5: Do you provide international standard customized products?
Absolutely. We can produce welded steel gratings in accordance with British BS4592, American ASTM A123, German DIN and other international standards, and customize raw material parameters and surface treatment standards to meet local market access requirements.
Q6: Is small batch custom order acceptable?
We support both small trial custom orders and large-scale project bulk orders. No strict MOQ limit for most customized specifications, to meet the procurement needs of different customers.
