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Here is the English translation of the product introduction:
Serrated Steel Grating, as the name suggests, is a steel grating product manufactured by welding flat steel bars with uneven, serrated teeth on one side. In addition to the fundamental characteristics of standard steel gratings, its most prominent advantage is its exceptional anti-slip capability. It is specifically designed as a safety protection and load-bearing component for complex working environments that are wet or slippery.
Core Advantages and Features
Superior Anti-slip Performance: The serrated pattern on the surface of the flat steel bars significantly increases the friction coefficient, effectively ensuring the safety of personnel and equipment in wet, oily, or sloped environments.
High Strength and Lightweight Design: Manufactured from high-strength carbon steel (such as Q235 material), it offers strength and toughness far superior to traditional cast iron. Meanwhile, its open-grid structure not only reduces self-weight but also effectively minimizes wind loads and snow accumulation.
Excellent Drainage and Self-cleaning Capability: With large mesh openings, the water leakage area can reach up to 83.3%, which is more than double that of cast iron. The unique open design prevents the accumulation of oil and dirt, provides ventilation and light transmission, and offers self-cleaning functions, making daily maintenance extremely simple.
Long-lasting Corrosion Resistance and Aesthetics: The surface is typically hot-dip galvanized, providing extremely strong rust prevention. Under standard conditions, it can achieve 20 to 30 years of maintenance-free and replacement-free service. The product features clean lines and a silver finish that exudes a modern aesthetic.
High Cost-effectiveness and Safety: In large-span and heavy-load environments, its overall cost is lower than that of cast iron. Furthermore, the grating cover and frame can be connected via hinges, offering anti-theft protection, enhanced safety, and convenient opening.
Common Specifications and Series
Serrated steel gratings are primarily composed of serrated flat steel bars and twisted square steel (hemp steel). Based on the center spacing of the load-bearing flat steel bars, they are mainly divided into three series:
Series 1 (30mm Spacing): The most commonly used model, offering extreme resistance to surface impact. It is widely applicable for walkways, stair treads, and trench covers on industrial platforms in power plants, chemical plants, wastewater treatment plants, and airport docks.
Series 2 (40mm Spacing): The most economical and lightweight option. Suitable for applications with smaller spans, it is frequently used for warehouse shelving, mezzanine panels, trestles, and protective fences.
Series 3 (60mm Spacing): Specifically developed for the mining industry. Its 50*60mm open-cell design effectively solves the problem of mineral splashing, keeping the surface clean and safe. It is commonly used in crushing systems, ball mills, and conveyor line walkways.
Typical Application Scenarios
Relying on its outstanding anti-slip and corrosion-resistant performance, serrated steel grating is widely used in various demanding scenarios:
Energy and Chemical Industries: Offshore oil platforms, maintenance platforms for thermal power plants, and inspection walkways in petrochemical refining facilities.
Municipal and Transportation: Maintenance walkways for urban bridges, subway trench covers, and pedestrian overpass surfaces.
Environmental Protection and Special Industries: Walkways in wastewater treatment plants, food processing workshops, and ship decks.
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