Swage-locked grating, also called aluminum grating, is mainly made of aluminum steel bars, and other materials can be stainless steel bars. The bearing bars can be rectangular bars or I bars. I bar swage-locked grating is the most widely used type. In the same depth, I bar swage-locked grating can supply the same strength with the rectangular bar swage-locked grating, but it is lighter and cheaper than the rectangular bars swage-locked grating.

The cross bars are inserted into pre-punched holes of bearing bars and then it is hydraulically swaged under tons of pressure to lock the bearing bars in place. In these processes, the swage-locked grating form a permanent locked structure.

The standard bearing bar spacing is 1-3/16" or 15/16". There a type of new products named as close mesh steel grating, which has the closer spacing than the standard. The spacing of close mesh steel grating can range from 7/16" to 11/16".

Rectangular bearing bar swage-locked grating.

I type bearing bars swage-locked gratings.

Specifications

• Material: aluminum alloy steel, carbon steel or other material.
• Surface type: plain surface or serrated surface.
• Surface treatment: mill finished.
• Bearing bars type: rectangular bars or I bars.
• Bearing bar spacing: standard is 1-3/16" or 15/16".
• Cross bar spacing: 4" or 2".

Smooth surface swage-locked grating.

Serrated surface swage-locked grating.

Features

• Economical. The aluminum material is much cheaper than the galvanized steel or stainless steel.
• Lightweight. The total weight of aluminum swage-locked grating is about 1/3 of galvanized welded steel grating.
• Corrosion resistance.
• High strength and rigidity.
• Serrated surface for better slip resistance.

Applications

• The swage-locked grating with smooth surface is widely used as the stair treads, walkways, platforms in the industrial and commercial applications.
• The swage-locked grating has firm and stable structure, it can be used as the security screen in the high class residences and commercial buildings.
• The swage-locked grating is widely used in the municipal engineering as trench covers, drainage covers or tree grate covers.

Swage-locked grating with smooth surface is widely used as stair treads.

Swage grating with firm and durable structure is widely used as security screen.

Swage-locked grating is widely used in the municipal engineering as trench cover to protect people's safe.

Swage-locked grating has excellent corrosion resistance to be used in the sea environment as walkways.