Original
By certification 
Steel Grating
● Introduction:
Our company professionally produces the Stainless Steel Grating and Carbon Steel Grating and Galvanized Bar Grating, which are widely used by various plants such as electric power, petroleum, chemical industry, metallurgy industry, machinery, industry, shipbuilding, harbor, oceanographic engineering, building, paper mills, cement plant, medicine, spinning and weaving foodstuff factory, transportation, municipal administration, parking lot, etc.
The Steel Grating may be applied to make platform, floor, walkway, stair treads, trestle, fending, and drainage trench cover, pit cover, suspended ceiling, ventilates and light through facility, etc.
● Standards
YB/T4001.1-2007 Manufacturing standard for steel grating and matching parts,
ANSI/NAAMM MG531-00 Metal bar grating manual
AS1657-1992 platforms, walkway, stairway and ladders
● Material: GB/T 700-2006, ASTM A36/A36M-05, AS/NZ3678-1996, BS EN10025-2:2004 this material for carbon material.
● Bearing bar center to center: 12.5-30、32.5、40、60、80、90mm etc and we strongly recommended 30mm
● Cross bar center to center: 30-170mm and we recommended 100mm
● The commonly used steel gratings:
● Specification
| Center Spacing 30mm | Center Spacing 40mm | ||||||
| Model | Size | Bar spacing | Dead weight | Model | Size | Bar spacing | Dead weight |
| mm | mm | kg/m2 | mm | mm | kg/m2 | ||
| G605/30/100 | 60*5 | 100 | 82.9 | G605/40/100 | 60*5 | 100 | 64.1 |
| G605/30/50 | 50 | 85.7 | G605/40/50 | 50 | 67 | ||
| G555/30/100 | 55*5 | 100 | 76.2 | G555/40/100 | 55*5 | 100 | 59 |
| G555/30/50 | 50 | 79 | G555/40/50 | 50 | 61.8 | ||
| G505/30/100 | 50*5 | 100 | 69 | G505/40/100 | 50*5 | 100 | 53.9 |
| G505/30/50 | 50 | 72.4 | G505/40/50 | 50 | 56.7 | ||
| G455/30/100 | 45*5 | 100 | 62.9 | G455/40/100 | 45*5 | 100 | 47 |
| G455/30/50 | 50 | 65.7 | G455/40/50 | 50 | 49.8 | ||
| G405/30/100 | 40*5 | 100 | 56.2 | G405/40/100 | 40*5 | 100 | 42.1 |
| G405/30/50 | 50 | 59 | G405/40/50 | 50 | 44.9 | ||
| G403/30/100 | 40*3 | 100 | 34.9 | G403/40/100 | 40*3 | 100 | 26.1 |
| G403/30/50 | 50 | 37.7 | G403/40/50 | 50 | 29.2 | ||
| G355/30/100 | 35*5 | 100 | 49.5 | G355/40/100 | 35*5 | 100 | 38.5 |
