Description
Grille en acier soudée is a rigid, open grid made by welding steel bars (bearing bars and cross bars) at right angles to form a strong, one-piece panel. It is a popular and versatile material used for flooring, walkways, platforms, and drainage covers due to its high strength, durability, and corrosion resistance when coated.
Welded Steel Grating Nomenclature

- Bearing Bars – Load carrying, span of grating
- Cross Bars – Connecting bars, runs along width of grating
- Finition – Coating applied-painted black, galvanized
- Serrated – Notching process for non-slip surface
- Widths – Overall dimension measured perpendicular to bearing bars
- Span – Distance running along direction of bearing bars
- Banding – Bar of the same size as bearing bar used to close open ends
- Kick Plate – Flat bar welded to outer edge with projection above grating

Caractéristiques
Standard-Duty Welded Steel Grating
Materials: Carbon Steel / Galvanized Steel / Stainless Steel / Aluminium
Surface: Smooth / Serrated
Bearing bar size: 1″, 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″.
Bearing bar thickness: 1/8″ , 3/16″
Cross bar size: 1/4″, 5/16″ and 3/8″ Square Twisted Rod
Cross bar spacing: 2″ and 4″.
Bar spacing: 11/16″, 15/16″, 1-3/16″
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Heavy-Duty Welded Steel Grating
Materials: Carbon Steel / Galvanized Steel / Stainless Steel
Surface: Smooth / Serrated
Bearing bar size: 1″, 1-1/4″, 1-1/2″, 1-3/4″, 2″, 2-1/4″, 2-1/2″, 3″, 3-1/2″, 4″, 4-1/2″, 5″, 5-1/2″, 6″.
Bearing bar thickness: 1/4″, 5/16″ and 3/8″.
Cross bar size: 1/4″, 5/16″ and 3/8″ Square Twisted Rod.
Cross bar spacing: 2″ and 4″.
Bar spacing: 15/16″, 1-3/16″, 1-7/8″ and 2-3/8″.
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Applications Of Welded Steel Grating
Grille en acier soudée serves countless industrial applications. It provides strong support for heavy equipment. This product allows light and air to pass through. Workers safely walk on these durable panels. Factories install them as operating platforms. They work perfectly in power plants. Wastewater treatment plants use them widely.
Industrial Platforms & Walkways
Standard-Duty Welded Bar Grating creates sturdy work platforms. It supports heavy machinery and tanks. Maintenance crews access equipment easily. These grates serve as safe stair treads. Their anti-slip surface prevents accidents. They form secure walkways between equipment. Oil refineries rely on their strength.
Architectural & Municipal Engineering
Cities choose Heavy-Duty Welded Bar Grating for infrastructure. It makes beautiful commercial building ceilings. Shopping malls use it for ventilation layers. Municipal projects specify it for trench covers. These grates protect tree roots in cities. Pedestrian bridges use them as decking. They reduce structure weight effectively.
Energy & Environmental Protection
Power plants need durable Welded Steel Grating. It forms boiler platforms and walkways. Nuclear facilities use it for maintenance access. Wastewater plants install it everywhere. These grates resist chemical corrosion perfectly. They serve in flue gas purification systems.
Transportation Applications
Ships use Welded Steel Grating as decks. It provides slip-resistant surfaces offshore. Marine platforms choose it for walkways. Some highways install it as guardrails. Ports utilize it for corrosion-resistant platforms. The material withstands seawater environments.
Applications spécialisées
Agriculture uses Welded Steel Grating for floors. It creates ventilation in food processing plants. Warehouses install it for mezzanine flooring. Some construction projects need it for scaffolding. Certain industries use it for material screening.
Material Selection For Different Scenarios
- Carbon steel grating suits most industrial applications. Hot-dip galvanizing provides corrosion resistance.
- Stainless steel (304/316) handles extreme environments like coastal areas and chemical plants.
- Aluminum grating offers a lightweight solution for marine and architectural projects.
Each material delivers specific advantages for different operational conditions and longevity requirements.
Clips de soudage et de fixation pour caillebotis en acier
| Le soudage crée des installations permanentes de qualité supérieure, tandis que les fixations mécaniques (également appelées clips de grille) fournissent des solutions lorsque la grille doit être amovible ou que le soudage est peu pratique. Le modèle de soudure recommandé (illustré à droite) indique l'espacement minimum des fixations pour les applications piétonnes. Les applications sur véhicules nécessitent généralement des soudures supplémentaires, avec des exigences spécifiques en matière de taille et d’espacement déterminées par l’autorité de spécification du projet. | ![]() |
![]() Ces clips coudés, qui relient deux barres porteuses, sont disponibles en acier galvanisé, en acier inoxydable ou en aluminium. Ils comportent des trous de boulons standard de 5/16″. Les boulons, vis ou autre matériel de connexion ne sont pas inclus et doivent être fournis séparément. | ![]() L'espacement étroit des grilles à mailles serrées permet le fraisage ou le fraisage des barres porteuses pour s'adapter aux épaulements des boulons. Les vis à tête plate ou les fixations autoperceuses ne sont pas incluses et doivent être fournies séparément. | ![]() Les ouvriers soudent ces plaques pré-perforées entre les barres porteuses pour faciliter le boulonnage à la structure porteuse. Les clients doivent fournir des boulons, des vis ou tout autre matériel de connexion séparément. |
![]() Installées depuis la surface supérieure de la grille, ces fixations mécaniques créent une liaison par friction avec la bride de support. Les clips « G » s'installent facilement sans avoir besoin de perçage ou de soudage. | ![]() Ce clip formé capture deux barres de roulement espacées de 11/16″ au centre. Les clients doivent fournir séparément les vis à tête fraisée plate et tout autre matériel de fixation requis. | ![]() Un clip de forme étroite utilisé pour capturer une seule barre de roulement dans les applications avec un espacement limité, généralement 11/16″ au centre. Les vis d'assemblage et autres matériels de fixation nécessaires ne sont pas inclus et doivent être fournis séparément. |
Welded Steel Grating Processing Equipment




















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