Gnee Steel (tianjin) Co., Ltd
                                                                                                           
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20 Years
Since 2006
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Hot Dip Galvanized Steel Grating with High Strength and Customizable Sizes for Outdoor Trench Covers

Price Negotiable
Price: Negotiable
MOQ: 2PCS
Delivery Time: Shipped in 20 days after payment
Brand: Gnee
Product Description
Steel Bar Grating - Industrial Metal Grid Drain & Trench Covers
Steel bar grating is engineered for exceptional strength and durability, manufactured from premium materials including carbon steel, aluminum, and stainless steel. This versatile construction solution offers reliable performance across numerous industrial and commercial applications.
Manufacturing Methods & Types
  • Welded Bar Grating - Robust welded construction for maximum strength
  • Press-Locked Grating - Precision interlocked design
  • Swage-Locked Grating - Mechanically locked for secure assembly
  • Riveted Grating - Traditional riveted construction method
Surface Design Options
Available in both smooth and serrated surface patterns to meet specific safety and traction requirements for various environments.
Industrial Applications
  • Stair treads and walkways
  • Industrial platforms and flooring
  • Trench covers and drainage systems
  • Wheeled equipment pathways
  • Security screens and barriers
  • Heavy-duty construction projects
Our factory specializes in steel and aluminum alloy sheet metal laser cutting and welding services. We have extensive experience in OEM surface water storm trench grate projects and offer complete customization based on your specifications with fast delivery times.
Technical Specifications
Material Options Sand Casting & Gravity Casting & Low Pressure Die Casting:
A356/A319/A413/LM6/LM20/LM25, AC-42100/EN AC-42200/EN AC-43000/EN AC-43200/EN AC-43300, AC-43400/EN AC-44200/EN AC-44300/EN AC-46000/EN AC-46200

High Pressure Die Casting:
A380/A390/A360/ADC10/ADC12/ENAC-43400/ENAC-44300/ENAC-44400/ENAC-46000/ENAC-46100/ENAC-46200/ENAC-46500/ENAC-47100

CNC Machining:
6061-T6/6063/7075/5083
Manufacturing Services Sand casting, Gravity casting, High pressure die casting, Low pressure die casting, CNC Machining casting, Surface finishing
Casting Equipment High pressure die casting machines: 180T/280T/500T/800T/1250T/1600T
Gravity casting machines: 30 production lines
Low pressure die casting machines: 1 production line
Sand casting machines: 6 production lines
Degassing equipment and material refinement systems
Machining: 80 Sets CNC Machines; 30 sets Milling machines
Quality Testing Spectro analysis, Tensile test machine, Hardness test machine, CMM dimension reporting, 3D Scanner verification
Certifications ISO9001:2008, TS16949, SGS
Standards Compliance ASTM, DIN, JIS, EN, ISO, GB standards
Design Software Pro/E, UG, Solidworks, Auto CAD
Precision Machining CNC turning, milling, drilling, grinding, cutting, reaming and threading
Finishing Options Polishing, sand blasting, powder coating, anodizing, electroplating, Chrome plating, mirror polishing
Product Gallery
Hot dip galvanized steel bar grating installation example Steel trench cover grate close-up detail Industrial steel grating application in drainage system

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Gnee Steel (tianjin) Co., Ltd
Location No.4-1114, Beichen Building, Beicang Town, Beichen District, Tianjin, China
Contact Person Zhang

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