Top Metal Manufacture Limited
                                                                                                           
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Construction & Real Estate Metal Building Materials

304 Stainless Steel Twisted Galvanized Metal Grating 40x5mm Bars 30mm Spacing for Drainage and Industrial Platforms

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Product Description
Industrial Metal Grating Solutions
Professional-grade 304 stainless steel and galvanized metal grating systems designed for drainage, walkways, and industrial platforms. Monthly production capacity: 1000 pieces.
Product Applications
Our metal grating systems serve as reliable filters and structural elements across multiple industries:
  • Drainage covers and air vent registers
  • Offshore oil rig platforms and refineries
  • Industrial walkways and safety flooring
  • Stair treads and platform constructions
  • Sump covers and trench drainage systems
304 stainless steel twisted galvanized metal grating installed in drainage application
Galvanized Steel Grating Specifications
Standard Panel Configuration
  • Panel 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 every 100mm
  • Galvanization: Hot dip with minimum 460g/m² coating
  • Maximum Span: 67 inches with 1/4" deflection under 6.6 kN/m² load
Platform Grating - Grid Safety Mats
  • Weight: 45kg per square meter including fastening
  • Configuration: 32x5 type with heat galvanized finish
Stair Tread Specifications
  • Dimensions: 240x800mm
  • Mesh: 30x40mm
  • Bearing Bar: 30x4mm including fastening material
  • Features: Non-slip reinforced nosing, hot dip galvanized
Heavy-duty galvanized steel grating panels for industrial platform applications
Aluminum Grating Solutions
Lightweight aluminum grating offers excellent corrosion resistance and high strength-to-weight ratio for various applications.
Aluminum Grating Features
  • Materials: ASTM B221, 6063 or 6061 aluminum alloy
  • Available in smooth top or serrated anti-slip surfaces
  • 80% open area for optimal airflow and drainage
  • Cross bars permanently locked within bearing bars
  • Fully recyclable and environmentally friendly
Aluminum Grating Specifications
  • Bearing Bar Size: 1" x 1/8" to 2-1/2" x 3/16" with 1/4" increments
  • Bearing Bar Spacing: 1-3/16", 15/16", 11/16" and 7/16"
  • Cross Bar Spacing: 4" or 2" center-to-center
Aluminum bar grating with swaged construction for lightweight structural applications
Technical Specifications
Material Options Mild Steel (Carbon Steel), Aluminum 6061/6063, Stainless Steel
Bearing Bar Sizes 3mm thickness (20-40mm depth), 5mm thickness (20-120mm depth), 8-10mm thickness (60-140mm depth)
Bearing Bar Styles Smooth bar, Serrated bar, Smooth I Bar, Serrated I bar
Bearing Bar Spacing 12.5mm, 15mm, 30mm, 40mm, 50mm center-to-center
Cross Bar Styles Twist bar (5mm, 6mm, 8mm), Round bar (5mm, 6mm, 8mm), Rib bar (5mm, 6mm, 8mm)
Cross Bar Spacing 50mm, 76mm, 100mm center-to-center
Surface Treatments Untreated, Hot Dipped Galvanized, Painted
Material Standards GB700-88, AS3679, ASTM(A36), S4360(43A)
Grating Standards YB/T4001.1-2007, AS1657-2013, BS4592-2006, ANSI/NAAMM(MBG531-88)
Industrial metal grating installation showing structural integrity and safety features

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Company Top Metal Manufacture Limited

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