1. Material: low carbon steel, stainless steel, aluminum alloy, etc.
2. Cross bar material: Q235A / stainless steel 304 twisted bar, round bar, square bar, etc.
3. According to different processing, steel grating has two types:
4. Flat bar surface shape: Plain flat bar, serrated, I-shaped flat bar, I-shape serrated.
5. Flat bar specification:
1> Plain flat bar:
Thickness: 3mm, 5mm.
Height: 25mm, 30mm, 32mm, 40mm, 45mm, 50mm, 60mm, etc.
2> I-shaped flat bar:
Thickness of both ends: 5mm.
Thickness of the center: 3mm.
Height: 25mm, 32mm, 38mm, 44mm, 50mm, etc.
6. Flat bar spacing: 30mm, 40mm, 60mm,etc.
7. Cross bar sizes: 5x5mm, 6x6mm, 8x8mm, etc.
8. Cross bar spacing: 50mm, 100mm.
9. Length of steel grating plate: common length ≥800mm, some platform cover plate length is 3000-10000mm.
10. Surface treatment: Electro galvanized, hot dip galvanized, spray paint, soak into anti-rust oil.

Product name	Steel Grating
Grating Style	Plain type, Serrated type, I Type and Serrated I type steel gratings
Surface Treatment	Black/Untreated (U), Hot dip galvanizing (G), Painting (P)
Usage	industry of Power plant, Oil Refineries,Petrochemistry, Chemical Plant, Water and Waste treatment plant, Ship-building, offshore projects and civil construction (like roads, park) ., etc.

Bearing bar       (width * thickness)	25*3mm,25*4mm,25*5mm,30*3mm,30*4mm,30*5mm,32*3mm,32*5mm,40*3mm,40*4mm,40*5mm,50*3mm,50*4mm,50*5mm Etc.
Bearing bar pitch (mm)	12.5, 15, 20, 25, 30, 34.3, 35.3, 40,41.25, 50, 60...(30, 40,50 mm are recommended ),also can do the size as customer's request
Cross bar pitch (mm)	38.1, 50, 76.2, 100, 101.6 . Etc.(30, 50, 100 ,150 mm are recommended ),also can do the size as customer's request
Material:	Mild steelQ235, Stainless steel