Any sizes metal grating floor / steel stair grating   Steel grating is flat steel and cross bar arranged in a certain distance, it is welded into the middle of a metal with a square lattice.   Spacing 30mm steel grating is the most common type, this series of steel grating bearing bar center distance of 30mm, in U.S. standards, the entire steel grating series, with the strongest impact on the surface resistance   Widely used in power plants, refineries, sewage treatment plants, silos, chemical plants, highways, airports and container terminal platforms, walkways and gutter covers, stair tread and so on.    Metal grating floor details: 1.Material: carbon steel, hot dip galvanized appearance, stainless steel. 2. vertical flat plate spacing: 30,40,60 (mm);  non-standard pitch: 25,34,35,50mm. 
3. Cross bar spacing: 50,100 (mm);  non-standard pitch: 38,76mm. 
4. Height :20-60 (mm)
5. thickness :3-8 (mm) 6. Cross bar size:5*5  6*6   8*8 10*10mm 7. Zinc coating: 50g/m2 200-300g/m2 8. Plate size: Any sizes can be customized 9. Cross bar general use twisted steel, also can be round or flat steel    Process: raw material preparation (flat steel, steel bar) - pressure welding - Twisted steel grinding cutting - edging - galvanizing - Inspection - Packaging - storage   Hot dipped galvanized plate, zinc coating reach to 300g/m2, if need color painted, welcome to tell me, green, blue, yellow, red,etc.       Tooth steel grating which can be used for wet, slippery places, especially for offshore oil platforms.       Steel Stair grating and metal grating floor is very popular in domestic and foreign countries.       Galvanized metal grating floor plate features: 1: High strength, light weight 
2: corrosion resistance, durable 
3: appearance, glossy surface 
4: The plot is not dirt, no accumulation of rain and snow, not water, self-cleaning, easy to maintain 
5: ventilation, lighting, heat, slip, proof of good 
6: Easy to install and dismantle