DONGFU GRATING logo

Engineered Around Your Load & Span

Aluminum Grating

Aluminum grating offers about one-third the weight of steel with inherent corrosion resistance — no coating required. It suits architectural facades, ceilings, marine walkways and light-to-medium duty platforms where weight, handling or appearance matters, in 6061, 6063 or 5052 alloys with swage-locked, dovetail or welded construction and mill, anodized or powder-coated finishes.

  • About one-third the weight of comparable steel grating
  • Naturally corrosion resistant — no coating required
  • Swage-locked, dovetail or welded construction
  • Mill, anodized or powder-coated finishes
Assorted aluminum grating constructions and profile samples
Lightweight Corrosion resistant Architectural finishes Non-sparking

What is aluminum grating?

Aluminum grating — also called aluminum bar grating — is made from aluminum alloy bearing and cross bars, commonly 6061, 6063 or 5052, joined by swage-locking, dovetail pressure-locking or welding. Its light weight simplifies handling and reduces the cost of supporting structures.

It performs best in light-to-medium duty: walkways, platforms, facades, ceilings, ventilation screens and marine access areas. For heavy vehicle loads such as forklifts and trucks, steel heavy-duty grating is normally the practical and economical choice.

Because the alloy forms its own protective oxide film, outdoor and marine use needs no coating; anodizing or powder coating is added for appearance, color or extra surface wear resistance.

Stacked aluminum grating panels with swage-locked and square-grid bar constructions in the workshop

Gallery

Aluminum Grating in Detail

Specifications

Specification Options

Aluminum grating — specification options
Item Options Notes
Alloys 6061-T6 / 6063-T6 / 5052Supplied per project specification with mill certificates
Construction Swage-locked / dovetail pressure-locked / weldedSwage-locked and dovetail give a clean flush appearance
Bearing bar Common depths 25–50 mm for pedestrian dutySized to span and load like steel grating
Bearing bar spacing 19-space / 15-space series and metric equivalentsCloser spacing for public access areas
Surface Plain / serratedSerrated for wet walkways and marine decks
Finish Mill / clear or black anodized / powder coatedAnodizing adds hardness and wear resistance
Duty Pedestrian and light-to-medium loadsNot for heavy vehicle traffic — evaluate steel instead
Fabrication Cut to size, banded, framed to drawingsLight weight eases handling and installation
Review steel grating standards →

Variants

Recommended Types

Swage-locked aluminum grating

Cross bars mechanically locked into bearing bars for a clean, flush appearance — the architectural favorite for facades, ceilings and screens.

Dovetail pressure-locked grating

Pressed dovetail joints give a flat, uniform look with good lateral stability for architectural and light industrial use.

Welded aluminum grating

Welded intersections for industrial walkways and platforms where utility leads and appearance is secondary.

Anodized architectural grating

Clear, matte or black anodizing adds surface hardness, wear resistance and color for visible architectural installations.

Fabrication & QC

Fabrication & Quality Notes

  • Swage-locked and dovetail panels are pressed on dedicated tooling for consistent, flush joints.
  • Aluminum panels are cut, banded and framed to drawings with the same detailing process as steel.
  • Panels are handled and stored separately from carbon steel to avoid surface contamination and marking.
  • Each panel is checked for dimensions, spacing, joint integrity and surface finish before packing.

Packaging

Packaging & Delivery

  • Protective film or interleaving between panels to prevent scratching of mill and anodized surfaces.
  • Lightweight bundles and crates sized for manual handling; rigid packing for architectural finishes.
  • Panels numbered and packed to installation sequence for facade and walkway projects.

FAQ

Aluminum Grating FAQs

Can aluminum grating be used for vehicle traffic?
Aluminum grating is normally specified for pedestrian and light-to-medium loads. For forklifts or trucks, steel heavy-duty grating is usually the economical and safe choice — we can compare both for your span.
Does aluminum grating need a finish?
No coating is required for corrosion protection. Anodizing or powder coating is chosen for appearance, color or added surface wear resistance.
What constructions are available?
Swage-locked grating gives a clean, flush look popular for architecture; dovetail pressure-locked adds lateral stability; welded aluminum grating suits industrial walkways. All are fabricated to panel drawings.
How much lighter is aluminum than steel grating?
Roughly one-third the weight for a comparable panel, which reduces handling effort and support structure cost — a key reason aluminum is chosen for facades, ceilings and marine walkways.
Is aluminum grating suitable for marine environments?
Yes. The alloy forms its own protective oxide film and performs well in salt air without coating. For direct seawater splash or specific exposure, tell us the conditions and we will confirm the alloy.
What MOQ and lead time apply to custom aluminum grating?
Aluminum grating is produced to order; the practical minimum is around 50 m². Typical lead time is 15–25 days, with samples of standard specifications in 3–7 days.
Can aluminum grating be anodized in colors?
Clear and black anodizing are the common options, with powder coating available for custom colors. Color and film thickness are confirmed against samples before production.

Send Your Drawings, Get a Confirmed Specification

We aim to reply within one business day during published business hours.

Rina Song