Galvanized Welded Metal Steel Grating, also known as bar grating or metal grating, is an open grid assembly of metal bars, in which the bearing bars, running in one direction, are spaced by rigid attachment to cross bars running perpendicular to them or by bent connecting bars extending between them, which is designed to hold heavy loads with minimal weight. It is widely used as floors, mezzanines, stair treads, fencing, trench covers and maintenance platforms in factories, workshops, motor rooms, trolley channels, heavy loading areas, boiler equipment and heavy equipment areas, etc.

| Galvanizing standard | Steel,Low carbon steel,stainless steel& Q235,A36,SS304,SS316L,S235JR |
| Surface treatment | Black, hot dipped galvanized, paint |
| Bearing bar width*thickness | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
| Bearing bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc. |
| Bearing bar shape | Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. |
| Cross bar shape | Round,twisted,bar shape |
| Cross bar pitch | 38,50,76,100,101.6mm |


