Top Metal Manufacture Limited
                                                                                                           
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Heavy Duty Galvanized Steel Louvre Grating 40mm x 5mm Bearing Bars with 460g/m² Zinc Coating

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Product Description
Product Overview

Heavy duty galvanized steel grating featuring full pressed locked construction for superior strength and durability. Hot-dip galvanized surface treatment provides exceptional corrosion resistance for demanding industrial applications.

Heavy duty galvanized steel louver grating installation
Applications & Uses

Ideal for industrial platforms, walkways, offshore oil rigs, refineries, drainage systems, and ventilation applications. Functions as structural elements while allowing fluid and air movement.

Galvanized steel grating used in industrial platform construction
Steel Grating Specifications
Galvanized Steel Grating Panels
  • Size: 19ft x 3ft (5.8m x 0.9m)
  • Bearing bars: 40mm x 5mm serrated
  • Bearing bar spacing: 30mm center-to-center
  • Cross bars: 8mm hexagonal twisted rod at 100mm pitch
  • Zinc coating: Minimum 460g/m²
  • Load capacity: Maximum span 67" with 1/4" deflection under 6.6 kN/m²
Platform Grating & Stair Treads
  • Grid safety mats: 32x5 configuration, 45kg per square meter
  • Stair tread dimensions: 240x800mm with non-slip reinforced nosing
  • Sheet dimensions: 2400mm x 1200mm x 32mm thickness
Steel grating panels with detailed specifications
Aluminum Grating Options

Lightweight aluminum grating with excellent corrosion resistance and high strength-to-weight ratio. Available in 6061 and 6063-T6 alloys with smooth or serrated surfaces.

Aluminum Grating Features
  • 80% open area for optimal airflow and drainage
  • Cross bars permanently locked within bearing bars
  • Available in I-bar and rectangular bar configurations
  • Bearing bar spacing: 7/16" to 1-3/16"
  • Cross bar spacing: 2" or 4" center-to-center
Aluminum grating with swaged construction
Technical Specifications
Parameter Specifications
Materials Mild Steel, Aluminum 6061/6063, Stainless Steel
Bearing Bar Size 3mm-10mm thickness, 20mm-140mm depth
Bearing Bar Style Smooth bar, Serrated bar, Smooth I Bar, Serrated I bar
Bearing Bar Spacing 12.5mm, 15mm, 30mm, 40mm, 50mm
Cross Bar Style Twist bar, Round bar, Rib bar (5mm-8mm)
Cross Bar Spacing 50mm, 76mm, 100mm
Surface Treatment Untreated, Hot Dipped Galvanized, Painted
Material Standards GB700-88, AS3679, ASTM A36, S4360
Grating Standards YB/T4001.1-2007, AS1657-2013, BS4592-2006, ANSI/NAAMM MBG531-88
Technical specifications table for metal grating

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Company Top Metal Manufacture Limited

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