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Steel bar grating is an iron and steel product made by cross-arranging and welding slit flat steel and twisted square bars. It features lightweight construction, high load-bearing capacity, easy cleaning, and excellent ventilation and lighting. Steel Grating Specification & Weight Chart Bearing Bar Pitch: 30mm Bearing Bar Pitch: 40mm Model Steel Size (mm) Cross Pitch […]
Difference Between 19W4 and 19W2 Steel Grating 19W4 and 19W2 are two commonly used welded steel bar grating specifications. Although both use the same bearing bar spacing, the difference in cross bar spacing significantly affects load performance and application suitability. This guide explains the structural differences, load behavior, and project selection considerations between 19W4 and […]
Steel Grating Open Area Calculation Guide Open area is an important factor in steel grating design, especially for drainage systems, ventilation platforms, and cooling tower applications. A higher open area improves airflow and water discharge, while a lower open area increases load capacity. This guide explains how to calculate steel grating open area and how […]
Steel Grating Span and Deflection Explained Span and deflection are two critical factors in steel grating design. Incorrect span selection can reduce load capacity, increase deflection, and compromise long-term structural safety. This guide explains how span distance affects load performance and how engineers determine allowable deflection for industrial flooring systems. 1. What Is Span in […]
How to Choose Steel Grating for Heavy Load Applications Selecting steel grating for heavy load environments requires more than choosing a standard specification. Industrial facilities such as power plants, warehouses, and processing factories often demand higher load capacity, reduced deflection, and long-term structural stability. This guide explains how engineers determine the appropriate grating type for […]
How to Customize Steel Grating for Industrial Projects Standard specifications such as 19W4 or 15W4 may not always meet complex project requirements. In many industrial environments, steel grating must be customized to match structural layouts, load capacity demands, and installation conditions. This steel grating customization guide explains how engineers and contractors can define technical parameters […]
Steel Grating Specification Guide (ASTM & China Standard) Understanding steel grating specifications is critical when selecting the correct type for industrial flooring, platforms, trench covers, and heavy-duty applications. Different markets use different naming systems, primarily ASTM standards in the United States and GB standards in China. This guide explains how American W-series grating corresponds to […]
40W4 Steel Grating Specifications (US & China Standard Comparison) 40W4 steel grating is a large-opening welded bar grating specification designed for maximum drainage and ventilation performance. Compared with standard 19W4 or 15W4 grating, 40W4 features much wider bearing bar spacing, making it ideal for light-duty industrial platforms and cooling systems. As an experienced Steel Grating […]
11W4 Steel Grating Specifications (US & China Standard) 11W4 steel grating is a welded bar grating specification designed with moderate bearing bar spacing for improved safety and structural balance. It provides a tighter opening than 15W4 and 19W4, making it suitable for industrial platforms and pedestrian walkways requiring enhanced heel safety. As a professional Steel […]
15W2 Steel Grating Specifications (US & China Standard) 15W2 steel grating is a welded bar grating specification commonly used in industrial flooring and platform systems. Compared with 15W4, the 15W2 configuration features closer cross bar spacing, providing improved stability and load distribution. As a professional bar grating manufacturer, we produce 15W2 grating panels in compliance […]
